131551356 has 48 divisors (see below), whose sum is σ = 316673280. Its totient is φ = 42483840.

The previous prime is 131551349. The next prime is 131551363. The reversal of 131551356 is 653155131.

It is an interprime number because it is at equal distance from previous prime (131551349) and next prime (131551363).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48960 + ... + 51576.

It is an arithmetic number, because the mean of its divisors is an integer number (6597360).

Almost surely, 2^131551356 is an apocalyptic number.

It is an amenable number.

131551356 is an abundant number, since it is smaller than the sum of its proper divisors (185121924).

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

131551356 is a wasteful number, since it uses less digits than its factorization.

131551356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2754 (or 2752 counting only the distinct ones).

The product of its digits is 6750, while the sum is 30.

The square root of 131551356 is about 11469.5839506061. The cubic root of 131551356 is about 508.5868298550.

The spelling of 131551356 in words is "one hundred thirty-one million, five hundred fifty-one thousand, three hundred fifty-six".