307855994136 has 32 divisors (see below), whose sum is σ = 782257038000. Its totient is φ = 100936391040.

The previous prime is 307855994093. The next prime is 307855994153. The reversal of 307855994136 is 631499558703.

It is a self number, because there is not a number n which added to its sum of digits gives 307855994136.

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, 105140611 + ... + 105143538.

Almost surely, 2^307855994136 is an apocalyptic number.

It is an amenable number.

307855994136 is an abundant number, since it is smaller than the sum of its proper divisors (474401043864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

307855994136 is a wasteful number, since it uses less digits than its factorization.

307855994136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210284219 (or 210284215 counting only the distinct ones).

The product of its (nonzero) digits is 24494400, while the sum is 60.

The spelling of 307855994136 in words is "three hundred seven billion, eight hundred fifty-five million, nine hundred ninety-four thousand, one hundred thirty-six".