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135930939 = 3311461623
BaseRepresentation
bin10000001101000…
…10010000111011
3100110210000012020
420012202100323
5234244242224
621253245523
73240252054
oct1006422073
9313700166
10135930939
116a802a21
12396338a3
1322214211
14140a572b
15be00c79
hex81a243b

135930939 has 8 divisors (see below), whose sum is σ = 187087872. Its totient is φ = 87697320.

The previous prime is 135930937. The next prime is 135930941. The reversal of 135930939 is 939039531.

It is an interprime number because it is at equal distance from previous prime (135930937) and next prime (135930941).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 135930939 - 21 = 135930937 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 135930939.

It is not an unprimeable number, because it can be changed into a prime (135930931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 730719 + ... + 730904.

It is an arithmetic number, because the mean of its divisors is an integer number (23385984).

Almost surely, 2135930939 is an apocalyptic number.

135930939 is a deficient number, since it is larger than the sum of its proper divisors (51156933).

135930939 is a wasteful number, since it uses less digits than its factorization.

135930939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1461657.

The product of its (nonzero) digits is 98415, while the sum is 42.

The square root of 135930939 is about 11658.9424477523. The cubic root of 135930939 is about 514.1692566885.

The spelling of 135930939 in words is "one hundred thirty-five million, nine hundred thirty thousand, nine hundred thirty-nine".

Divisors: 1 3 31 93 1461623 4384869 45310313 135930939