634465432240136 has 64 divisors (see below), whose sum is σ = 1403485985664000. Its totient is φ = 263131068026880.

The previous prime is 634465432240093. The next prime is 634465432240151. The reversal of 634465432240136 is 631042234564436.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32748920 + ... + 48388248.

It is an arithmetic number, because the mean of its divisors is an integer number (21929468526000).

Almost surely, 2^{634465432240136} is an apocalyptic number.

It is an amenable number.

634465432240136 is an abundant number, since it is smaller than the sum of its proper divisors (769020553423864).

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

634465432240136 is a wasteful number, since it uses less digits than its factorization.

634465432240136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15662742 (or 15662738 counting only the distinct ones).

The product of its (nonzero) digits is 29859840, while the sum is 53.

The spelling of 634465432240136 in words is "six hundred thirty-four trillion, four hundred sixty-five billion, four hundred thirty-two million, two hundred forty thousand, one hundred thirty-six".