14972135238 has 12 divisors (see below), whose sum is σ = 32439626388. Its totient is φ = 4990711740.

The previous prime is 14972135219. The next prime is 14972135281. The reversal of 14972135238 is 83253127941.

It is a happy number.

14972135238 is a `hidden beast` number, since 1 + 49 + 72 + 13 + 523 + 8 = 666.

It is a super-2 number, since 2×14972135238² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 14972135193 and 14972135202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 415892628 + ... + 415892663.

It is an arithmetic number, because the mean of its divisors is an integer number (2703302199).

Almost surely, 2^14972135238 is an apocalyptic number.

14972135238 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

14972135238 is an abundant number, since it is smaller than the sum of its proper divisors (17467491150).

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

14972135238 is a wasteful number, since it uses less digits than its factorization.

14972135238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831785299 (or 831785296 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The spelling of 14972135238 in words is "fourteen billion, nine hundred seventy-two million, one hundred thirty-five thousand, two hundred thirty-eight".