131413061978587 has 2 divisors, whose sum is σ = 131413061978588. Its totient is φ = 131413061978586.

The previous prime is 131413061978537. The next prime is 131413061978621. The reversal of 131413061978587 is 785879160314131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131413061978587 - 2³¹ = 131410914494939 is a prime.

It is not a weakly prime, because it can be changed into another prime (131413061978537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65706530989293 + 65706530989294.

It is an arithmetic number, because the mean of its divisors is an integer number (65706530989294).

Almost surely, 2^{131413061978587} is an apocalyptic number.

131413061978587 is a deficient number, since it is larger than the sum of its proper divisors (1).

131413061978587 is an equidigital number, since it uses as much as digits as its factorization.

131413061978587 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30481920, while the sum is 64.

The spelling of 131413061978587 in words is "one hundred thirty-one trillion, four hundred thirteen billion, sixty-one million, nine hundred seventy-eight thousand, five hundred eighty-seven".