245421356136 has 64 divisors (see below), whose sum is σ = 692411371200. Its totient is φ = 71805619200.

The previous prime is 245421356087. The next prime is 245421356189. The reversal of 245421356136 is 631653124542.

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, 16020385 + ... + 16035696.

It is an arithmetic number, because the mean of its divisors is an integer number (10818927675).

Almost surely, 2^245421356136 is an apocalyptic number.

It is an amenable number.

245421356136 is an abundant number, since it is smaller than the sum of its proper divisors (446990015064).

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

245421356136 is a wasteful number, since it uses less digits than its factorization.

245421356136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32056130 (or 32056126 counting only the distinct ones).

The product of its digits is 518400, while the sum is 42.

The spelling of 245421356136 in words is "two hundred forty-five billion, four hundred twenty-one million, three hundred fifty-six thousand, one hundred thirty-six".