131417254878 has 64 divisors (see below), whose sum is σ = 323690368512. Its totient is φ = 34637880960.

The previous prime is 131417254861. The next prime is 131417254909. The reversal of 131417254878 is 878452714131.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 131417254878.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 810825 + ... + 959307.

It is an arithmetic number, because the mean of its divisors is an integer number (5057662008).

Almost surely, 2^131417254878 is an apocalyptic number.

131417254878 is an abundant number, since it is smaller than the sum of its proper divisors (192273113634).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131417254878 is a wasteful number, since it uses less digits than its factorization.

131417254878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150129.

The product of its digits is 1505280, while the sum is 51.

The spelling of 131417254878 in words is "one hundred thirty-one billion, four hundred seventeen million, two hundred fifty-four thousand, eight hundred seventy-eight".