157139516 has 12 divisors (see below), whose sum is σ = 284476920. Its totient is φ = 75860400.

The previous prime is 157139461. The next prime is 157139531. The reversal of 157139516 is 615931751.

157139516 is digitally balanced in base 2, base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

157139516 is strictly pandigital in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 157139516.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 677210 + ... + 677441.

It is an arithmetic number, because the mean of its divisors is an integer number (23706410).

Almost surely, 2^157139516 is an apocalyptic number.

It is an amenable number.

157139516 is a deficient number, since it is larger than the sum of its proper divisors (127337404).

157139516 is a wasteful number, since it uses less digits than its factorization.

157139516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1354684 (or 1354682 counting only the distinct ones).

The product of its digits is 28350, while the sum is 38.

The square root of 157139516 is about 12535.5301443537. The cubic root of 157139516 is about 539.6288212824.

The spelling of 157139516 in words is "one hundred fifty-seven million, one hundred thirty-nine thousand, five hundred sixteen".