131195400 has 96 divisors (see below), whose sum is σ = 464821440. Its totient is φ = 29986560.

The previous prime is 131195387. The next prime is 131195413. The reversal of 131195400 is 4591131.

It is an interprime number because it is at equal distance from previous prime (131195387) and next prime (131195413).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11419 + ... + 19818.

It is an arithmetic number, because the mean of its divisors is an integer number (4841890).

Almost surely, 2^131195400 is an apocalyptic number.

131195400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131195400 is an abundant number, since it is smaller than the sum of its proper divisors (333626040).

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

131195400 is a wasteful number, since it uses less digits than its factorization.

131195400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31263 (or 31254 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 131195400 is about 11454.0560501510. The cubic root of 131195400 is about 508.1276984859.

The spelling of 131195400 in words is "one hundred thirty-one million, one hundred ninety-five thousand, four hundred".