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139814130 = 2354660471
BaseRepresentation
bin10000101010101…
…10010011110010
3100202002021221010
420111112103302
5241243023010
621512411350
73315254241
oct1025262362
9322067833
10139814130
1171a15475
123a9a6b56
1322c73871
14147d6958
15c41b620
hex85564f2

139814130 has 16 divisors (see below), whose sum is σ = 335553984. Its totient is φ = 37283760.

The previous prime is 139814119. The next prime is 139814131. The reversal of 139814130 is 31418931.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 4660471 = 139814130 / (1 + 3 + 9 + 8 + 1 + 4 + 1 + 3 + 0).

It is not an unprimeable number, because it can be changed into a prime (139814131) 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, 2330206 + ... + 2330265.

It is an arithmetic number, because the mean of its divisors is an integer number (20972124).

Almost surely, 2139814130 is an apocalyptic number.

139814130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139814130 is an abundant number, since it is smaller than the sum of its proper divisors (195739854).

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

139814130 is a wasteful number, since it uses less digits than its factorization.

139814130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4660481.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 139814130 is about 11824.3025164278. The cubic root of 139814130 is about 519.0195158257.

The spelling of 139814130 in words is "one hundred thirty-nine million, eight hundred fourteen thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 4660471 9320942 13981413 23302355 27962826 46604710 69907065 139814130