131279552 has 28 divisors (see below), whose sum is σ = 267553440. Its totient is φ = 63864576.

The previous prime is 131279537. The next prime is 131279557. The reversal of 131279552 is 255972131.

It is a super-3 number, since 3×131279552³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (131279557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25352 + ... + 30087.

It is an arithmetic number, because the mean of its divisors is an integer number (9555480).

Almost surely, 2^131279552 is an apocalyptic number.

It is an amenable number.

131279552 is an abundant number, since it is smaller than the sum of its proper divisors (136273888).

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

131279552 is an equidigital number, since it uses as much as digits as its factorization.

131279552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55488 (or 55478 counting only the distinct ones).

The product of its digits is 18900, while the sum is 35.

The square root of 131279552 is about 11457.7289198165. The cubic root of 131279552 is about 508.2363171898.

The spelling of 131279552 in words is "one hundred thirty-one million, two hundred seventy-nine thousand, five hundred fifty-two".