13531225292 has 24 divisors (see below), whose sum is σ = 25514714736. Its totient is φ = 6241860288.

The previous prime is 13531225291. The next prime is 13531225303. The reversal of 13531225292 is 29252213531.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (13531225291) 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, 30938 + ... + 167390.

It is an arithmetic number, because the mean of its divisors is an integer number (1063113114).

Almost surely, 2^13531225292 is an apocalyptic number.

It is an amenable number.

13531225292 is a deficient number, since it is larger than the sum of its proper divisors (11983489444).

13531225292 is a wasteful number, since it uses less digits than its factorization.

13531225292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138377 (or 138375 counting only the distinct ones).

The product of its digits is 32400, while the sum is 35.

The spelling of 13531225292 in words is "thirteen billion, five hundred thirty-one million, two hundred twenty-five thousand, two hundred ninety-two".