131488536402 has 24 divisors (see below), whose sum is σ = 285336302940. Its totient is φ = 43761131520.

The previous prime is 131488536383. The next prime is 131488536449. The reversal of 131488536402 is 204635884131.

131488536402 is a `hidden beast` number, since 1 + 31 + 4 + 88 + 536 + 4 + 0 + 2 = 666.

131488536402 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 125449847721 + 6038688681 = 354189^2 + 77709^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5686527 + ... + 5709602.

Almost surely, 2^131488536402 is an apocalyptic number.

131488536402 is an abundant number, since it is smaller than the sum of its proper divisors (153847766538).

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

131488536402 is a wasteful number, since it uses less digits than its factorization.

131488536402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11396778 (or 11396775 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The spelling of 131488536402 in words is "one hundred thirty-one billion, four hundred eighty-eight million, five hundred thirty-six thousand, four hundred two".