131860487 has 8 divisors (see below), whose sum is σ = 145193472. Its totient is φ = 118751800.

The previous prime is 131860481. The next prime is 131860511. The reversal of 131860487 is 784068131.

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

It is a cyclic number.

It is not a de Polignac number, because 131860487 - 2⁴ = 131860471 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131860487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131860481) 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, 54839 + ... + 57192.

It is an arithmetic number, because the mean of its divisors is an integer number (18149184).

Almost surely, 2^131860487 is an apocalyptic number.

131860487 is a deficient number, since it is larger than the sum of its proper divisors (13332985).

131860487 is a wasteful number, since it uses less digits than its factorization.

131860487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112149.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 131860487 is about 11483.0521639501. The cubic root of 131860487 is about 508.9848923071.

The spelling of 131860487 in words is "one hundred thirty-one million, eight hundred sixty thousand, four hundred eighty-seven".