131487061344 has 48 divisors (see below), whose sum is σ = 347271083712. Its totient is φ = 43560125568.

The previous prime is 131487061339. The next prime is 131487061361. The reversal of 131487061344 is 443160784131.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 131487061296 and 131487061305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4185754 + ... + 4217049.

It is an arithmetic number, because the mean of its divisors is an integer number (7234814244).

Almost surely, 2^131487061344 is an apocalyptic number.

It is an amenable number.

131487061344 is an abundant number, since it is smaller than the sum of its proper divisors (215784022368).

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

131487061344 is a wasteful number, since it uses less digits than its factorization.

131487061344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8402979 (or 8402971 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The spelling of 131487061344 in words is "one hundred thirty-one billion, four hundred eighty-seven million, sixty-one thousand, three hundred forty-four".