131056087 has 8 divisors (see below), whose sum is σ = 134620416. Its totient is φ = 127539192.

The previous prime is 131056031. The next prime is 131056099. The reversal of 131056087 is 780650131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131056087 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 (131056007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6223 + ... + 17344.

It is an arithmetic number, because the mean of its divisors is an integer number (16827552).

Almost surely, 2^131056087 is an apocalyptic number.

131056087 is a deficient number, since it is larger than the sum of its proper divisors (3564329).

131056087 is an equidigital number, since it uses as much as digits as its factorization.

131056087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23717.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 131056087 is about 11447.9730520298. The cubic root of 131056087 is about 507.9477789026.

The spelling of 131056087 in words is "one hundred thirty-one million, fifty-six thousand, eighty-seven".