157992347135 has 24 divisors (see below), whose sum is σ = 221323825296. Its totient is φ = 107954743680.

The previous prime is 157992347131. The next prime is 157992347141. The reversal of 157992347135 is 531743299751.

It is not a de Polignac number, because 157992347135 - 2² = 157992347131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157992347131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1070006 + ... + 1208675.

It is an arithmetic number, because the mean of its divisors is an integer number (9221826054).

Almost surely, 2^157992347135 is an apocalyptic number.

157992347135 is a deficient number, since it is larger than the sum of its proper divisors (63331478161).

157992347135 is a wasteful number, since it uses less digits than its factorization.

157992347135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2278983 (or 2278976 counting only the distinct ones).

The product of its digits is 7144200, while the sum is 56.

The spelling of 157992347135 in words is "one hundred fifty-seven billion, nine hundred ninety-two million, three hundred forty-seven thousand, one hundred thirty-five".