131157087 has 8 divisors (see below), whose sum is σ = 176153136. Its totient is φ = 86799552.

The previous prime is 131157083. The next prime is 131157107. The reversal of 131157087 is 780751131.

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

It is not a de Polignac number, because 131157087 - 2² = 131157083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131157083) 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, 159148 + ... + 159969.

It is an arithmetic number, because the mean of its divisors is an integer number (22019142).

Almost surely, 2^131157087 is an apocalyptic number.

131157087 is a deficient number, since it is larger than the sum of its proper divisors (44996049).

131157087 is a wasteful number, since it uses less digits than its factorization.

131157087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319257.

The product of its (nonzero) digits is 5880, while the sum is 33.

The square root of 131157087 is about 11452.3834637162. The cubic root of 131157087 is about 508.0782308168.

It can be divided in two parts, 13115 and 7087, that added together give a palindrome (20202).

The spelling of 131157087 in words is "one hundred thirty-one million, one hundred fifty-seven thousand, eighty-seven".