13144219936 has 24 divisors (see below), whose sum is σ = 27399900780. Its totient is φ = 6185515008.

The previous prime is 13144219903. The next prime is 13144219961. The reversal of 13144219936 is 63991244131.

It can be written as a sum of positive squares in 2 ways, for example, as 12954992400 + 189227536 = 113820^2 + 13756^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13144219892 and 13144219901.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12080541 + ... + 12081628.

Almost surely, 2^13144219936 is an apocalyptic number.

13144219936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13144219936 is an abundant number, since it is smaller than the sum of its proper divisors (14255680844).

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

13144219936 is a wasteful number, since it uses less digits than its factorization.

13144219936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24162196 (or 24162188 counting only the distinct ones).

The product of its digits is 139968, while the sum is 43.

The spelling of 13144219936 in words is "thirteen billion, one hundred forty-four million, two hundred nineteen thousand, nine hundred thirty-six".