131377425449780 has 48 divisors (see below), whose sum is σ = 275957663667840. Its totient is φ = 52538577168000.

The previous prime is 131377425449761. The next prime is 131377425449833. The reversal of 131377425449780 is 87944524773131.

It is a Smith number, since the sum of its digits (65) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2297140985 + ... + 2297198175.

It is an arithmetic number, because the mean of its divisors is an integer number (5749117993080).

Almost surely, 2^{131377425449780} is an apocalyptic number.

131377425449780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131377425449780 is an abundant number, since it is smaller than the sum of its proper divisors (144580238218060).

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

131377425449780 is a wasteful number, since it uses less digits than its factorization.

131377425449780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82280 (or 82278 counting only the distinct ones).

The product of its (nonzero) digits is 142248960, while the sum is 65.

The spelling of 131377425449780 in words is "one hundred thirty-one trillion, three hundred seventy-seven billion, four hundred twenty-five million, four hundred forty-nine thousand, seven hundred eighty".