13531125276 has 96 divisors (see below), whose sum is σ = 36227206400. Its totient is φ = 4364902080.

The previous prime is 13531125221. The next prime is 13531125277. The reversal of 13531125276 is 67252113531.

13531125276 is a `hidden beast` number, since 1 + 3 + 531 + 1 + 2 + 52 + 76 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 13531125276.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13531125277) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 492831 + ... + 519561.

Almost surely, 2^13531125276 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13531125276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18113603200).

13531125276 is an abundant number, since it is smaller than the sum of its proper divisors (22696081124).

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

13531125276 is a wasteful number, since it uses less digits than its factorization.

13531125276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26896 (or 26888 counting only the distinct ones).

The product of its digits is 37800, while the sum is 36.

The spelling of 13531125276 in words is "thirteen billion, five hundred thirty-one million, one hundred twenty-five thousand, two hundred seventy-six".