13531275939 has 8 divisors (see below), whose sum is σ = 18051351552. Its totient is φ = 9016025480.

The previous prime is 13531275913. The next prime is 13531275941. The reversal of 13531275939 is 93957213531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13531275939 - 2⁷ = 13531275811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13531275959) 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, 1199739 + ... + 1210964.

It is an arithmetic number, because the mean of its divisors is an integer number (2256418944).

Almost surely, 2^13531275939 is an apocalyptic number.

13531275939 is a deficient number, since it is larger than the sum of its proper divisors (4520075613).

13531275939 is a wasteful number, since it uses less digits than its factorization.

13531275939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2412577.

The product of its digits is 765450, while the sum is 48.

The spelling of 13531275939 in words is "thirteen billion, five hundred thirty-one million, two hundred seventy-five thousand, nine hundred thirty-nine".