131456087 has 16 divisors (see below), whose sum is σ = 159382080. Its totient is φ = 105842688.

The previous prime is 131456081. The next prime is 131456093. The reversal of 131456087 is 780654131.

It is an interprime number because it is at equal distance from previous prime (131456081) and next prime (131456093).

It is not a de Polignac number, because 131456087 - 2¹⁸ = 131193943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131456081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101339 + ... + 102627.

It is an arithmetic number, because the mean of its divisors is an integer number (9961380).

Almost surely, 2^131456087 is an apocalyptic number.

131456087 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

131456087 is a deficient number, since it is larger than the sum of its proper divisors (27925993).

131456087 is a wasteful number, since it uses less digits than its factorization.

131456087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2170.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 131456087 is about 11465.4300835163. The cubic root of 131456087 is about 508.4640279794.

The spelling of 131456087 in words is "one hundred thirty-one million, four hundred fifty-six thousand, eighty-seven".