131558896087 has 2 divisors, whose sum is σ = 131558896088. Its totient is φ = 131558896086.

The previous prime is 131558896057. The next prime is 131558896153. The reversal of 131558896087 is 780698855131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131558896087 - 2⁷ = 131558895959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131558896057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65779448043 + 65779448044.

It is an arithmetic number, because the mean of its divisors is an integer number (65779448044).

Almost surely, 2^131558896087 is an apocalyptic number.

131558896087 is a deficient number, since it is larger than the sum of its proper divisors (1).

131558896087 is an equidigital number, since it uses as much as digits as its factorization.

131558896087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14515200, while the sum is 61.

The spelling of 131558896087 in words is "one hundred thirty-one billion, five hundred fifty-eight million, eight hundred ninety-six thousand, eighty-seven".