131252870 has 24 divisors (see below), whose sum is σ = 274828464. Its totient is φ = 45000816.

The previous prime is 131252837. The next prime is 131252873. The reversal of 131252870 is 78252131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131252873) 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 11 ways as a sum of consecutive naturals, for example, 133442 + ... + 134421.

It is an arithmetic number, because the mean of its divisors is an integer number (11451186).

Almost surely, 2^131252870 is an apocalyptic number.

131252870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131252870 is an abundant number, since it is smaller than the sum of its proper divisors (143575594).

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

131252870 is a wasteful number, since it uses less digits than its factorization.

131252870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267884 (or 267877 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 131252870 is about 11456.5644937739. The cubic root of 131252870 is about 508.2018825805.

The spelling of 131252870 in words is "one hundred thirty-one million, two hundred fifty-two thousand, eight hundred seventy".