157638036935 has 8 divisors (see below), whose sum is σ = 189174224736. Its totient is φ = 126104709280.

The previous prime is 157638036887. The next prime is 157638036979. The reversal of 157638036935 is 539630836751.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-157638036935 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 591851 + ... + 815820.

It is an arithmetic number, because the mean of its divisors is an integer number (23646778092).

Almost surely, 2^157638036935 is an apocalyptic number.

157638036935 is a deficient number, since it is larger than the sum of its proper divisors (31536187801).

157638036935 is a wasteful number, since it uses less digits than its factorization.

157638036935 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1430073.

The product of its (nonzero) digits is 12247200, while the sum is 56.

The spelling of 157638036935 in words is "one hundred fifty-seven billion, six hundred thirty-eight million, thirty-six thousand, nine hundred thirty-five".