131915460 has 24 divisors (see below), whose sum is σ = 369363456. Its totient is φ = 35177440.

The previous prime is 131915449. The next prime is 131915467. The reversal of 131915460 is 64519131.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (131915467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1099236 + ... + 1099355.

It is an arithmetic number, because the mean of its divisors is an integer number (15390144).

Almost surely, 2^131915460 is an apocalyptic number.

131915460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131915460 is an abundant number, since it is smaller than the sum of its proper divisors (237447996).

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

131915460 is a wasteful number, since it uses less digits than its factorization.

131915460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2198603 (or 2198601 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 131915460 is about 11485.4455725496. The cubic root of 131915460 is about 509.0556148808.

The spelling of 131915460 in words is "one hundred thirty-one million, nine hundred fifteen thousand, four hundred sixty".