14865136638 has 16 divisors (see below), whose sum is σ = 32433025536. Its totient is φ = 4504586840.

The previous prime is 14865136633. The next prime is 14865136661. The reversal of 14865136638 is 83663156841.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14865136633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112614606 + ... + 112614737.

It is an arithmetic number, because the mean of its divisors is an integer number (2027064096).

Almost surely, 2^14865136638 is an apocalyptic number.

14865136638 is an abundant number, since it is smaller than the sum of its proper divisors (17567888898).

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

14865136638 is a wasteful number, since it uses less digits than its factorization.

14865136638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225229359.

The product of its digits is 2488320, while the sum is 51.

The spelling of 14865136638 in words is "fourteen billion, eight hundred sixty-five million, one hundred thirty-six thousand, six hundred thirty-eight".