107139388 has 12 divisors (see below), whose sum is σ = 189753480. Its totient is φ = 52924112.

The previous prime is 107139371. The next prime is 107139407. The reversal of 107139388 is 883931701.

It is a super-2 number, since 2×107139388² = 22957696922029088, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 107139388.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 161023 + ... + 161686.

It is an arithmetic number, because the mean of its divisors is an integer number (15812790).

Almost surely, 2^107139388 is an apocalyptic number.

It is an amenable number.

107139388 is a deficient number, since it is larger than the sum of its proper divisors (82614092).

107139388 is a wasteful number, since it uses less digits than its factorization.

107139388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322796 (or 322794 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 107139388 is about 10350.8158132584. The cubic root of 107139388 is about 474.9519995817.

The spelling of 107139388 in words is "one hundred seven million, one hundred thirty-nine thousand, three hundred eighty-eight".