131487015 has 32 divisors (see below), whose sum is σ = 237427200. Its totient is φ = 61550720.

The previous prime is 131487007. The next prime is 131487053. The reversal of 131487015 is 510784131.

It is not a de Polignac number, because 131487015 - 2³ = 131487007 is a prime.

It is a super-2 number, since 2×131487015² = 34577670227220450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8955 + ... + 18524.

It is an arithmetic number, because the mean of its divisors is an integer number (7419600).

Almost surely, 2^131487015 is an apocalyptic number.

131487015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

131487015 is a deficient number, since it is larger than the sum of its proper divisors (105940185).

131487015 is a wasteful number, since it uses less digits than its factorization.

131487015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27527.

The product of its (nonzero) digits is 3360, while the sum is 30.

The square root of 131487015 is about 11466.7787542971. The cubic root of 131487015 is about 508.5039007174.

The spelling of 131487015 in words is "one hundred thirty-one million, four hundred eighty-seven thousand, fifteen".