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139214320 = 2457248597
BaseRepresentation
bin10000100110000…
…11110111110000
3100200221211010221
420103003313300
5241114324240
621451502424
73310205440
oct1023036760
9320854127
10139214320
1171645863
123a757a14
1322ac384b
14146bc120
15c34da4a
hex84c3df0

139214320 has 40 divisors (see below), whose sum is σ = 369913824. Its totient is φ = 47730432.

The previous prime is 139214281. The next prime is 139214321. The reversal of 139214320 is 23412931.

139214320 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139214321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123739 + ... + 124858.

Almost surely, 2139214320 is an apocalyptic number.

139214320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

139214320 is an abundant number, since it is smaller than the sum of its proper divisors (230699504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

139214320 is a wasteful number, since it uses less digits than its factorization.

139214320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248617 (or 248611 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 139214320 is about 11798.9118142310. The cubic root of 139214320 is about 518.2762448772.

The spelling of 139214320 in words is "one hundred thirty-nine million, two hundred fourteen thousand, three hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 80 112 140 280 560 248597 497194 994388 1242985 1740179 1988776 2485970 3480358 3977552 4971940 6960716 8700895 9943880 13921432 17401790 19887760 27842864 34803580 69607160 139214320