139834512 has 50 divisors (see below), whose sum is σ = 404725398. Its totient is φ = 46611072.

The previous prime is 139834501. The next prime is 139834577. The reversal of 139834512 is 215438931.

139834512 is a `hidden beast` number, since 139 + 8 + 3 + 4 + 512 = 666.

It can be written as a sum of positive squares in only one way, i.e., 115863696 + 23970816 = 10764^2 + 4896^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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 9 ways as a sum of consecutive naturals, for example, 52653 + ... + 55244.

Almost surely, 2^139834512 is an apocalyptic number.

139834512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

139834512 is an abundant number, since it is smaller than the sum of its proper divisors (264890886).

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

139834512 is a wasteful number, since it uses less digits than its factorization.

139834512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107917 (or 107902 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 139834512 is about 11825.1643540375. The cubic root of 139834512 is about 519.0447353601.

The spelling of 139834512 in words is "one hundred thirty-nine million, eight hundred thirty-four thousand, five hundred twelve".