13215146364 has 72 divisors (see below), whose sum is σ = 39408631808. Its totient is φ = 3653955360.

The previous prime is 13215146353. The next prime is 13215146377. The reversal of 13215146364 is 46364151231.

13215146364 is a `hidden beast` number, since 1 + 3 + 2 + 1 + 5 + 14 + 636 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 838012 + ... + 853635.

Almost surely, 2^13215146364 is an apocalyptic number.

13215146364 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13215146364 is an abundant number, since it is smaller than the sum of its proper divisors (26193485444).

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

13215146364 is a wasteful number, since it uses less digits than its factorization.

13215146364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1691695 (or 1691690 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

Adding to 13215146364 its reverse (46364151231), we get a palindrome (59579297595).

The spelling of 13215146364 in words is "thirteen billion, two hundred fifteen million, one hundred forty-six thousand, three hundred sixty-four".