157109396 has 6 divisors (see below), whose sum is σ = 274941450. Its totient is φ = 78554696.

The previous prime is 157109387. The next prime is 157109419. The reversal of 157109396 is 693901751.

It can be written as a sum of positive squares in only one way, i.e., 137217796 + 19891600 = 11714^2 + 4460^2 .

It is a super-2 number, since 2×157109396² = 49366724622969632, which contains 22 as substring.

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 as a sum of consecutive naturals, namely, 19638671 + ... + 19638678.

It is an arithmetic number, because the mean of its divisors is an integer number (45823575).

Almost surely, 2^157109396 is an apocalyptic number.

It is an amenable number.

157109396 is a deficient number, since it is larger than the sum of its proper divisors (117832054).

157109396 is a wasteful number, since it uses less digits than its factorization.

157109396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39277353 (or 39277351 counting only the distinct ones).

The product of its (nonzero) digits is 51030, while the sum is 41.

The square root of 157109396 is about 12534.3287016098. The cubic root of 157109396 is about 539.5943409702.

The spelling of 157109396 in words is "one hundred fifty-seven million, one hundred nine thousand, three hundred ninety-six".