13953138744 has 32 divisors (see below), whose sum is σ = 34947357840. Its totient is φ = 4642444800.

The previous prime is 13953138697. The next prime is 13953138763. The reversal of 13953138744 is 44783135931.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 13953138693 and 13953138702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 524337 + ... + 550304.

Almost surely, 2^13953138744 is an apocalyptic number.

It is an amenable number.

13953138744 is an abundant number, since it is smaller than the sum of its proper divisors (20994219096).

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

13953138744 is a wasteful number, since it uses less digits than its factorization.

13953138744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075191 (or 1075187 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 48.

The spelling of 13953138744 in words is "thirteen billion, nine hundred fifty-three million, one hundred thirty-eight thousand, seven hundred forty-four".