131402320515404 has 12 divisors (see below), whose sum is σ = 243480770366904. Its totient is φ = 61836386124864.

The previous prime is 131402320515329. The next prime is 131402320515419. The reversal of 131402320515404 is 404515023204131.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 966193533134 + ... + 966193533269.

It is an arithmetic number, because the mean of its divisors is an integer number (20290064197242).

Almost surely, 2^{131402320515404} is an apocalyptic number.

It is an amenable number.

131402320515404 is a deficient number, since it is larger than the sum of its proper divisors (112078449851500).

131402320515404 is a wasteful number, since it uses less digits than its factorization.

131402320515404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1932387066424 (or 1932387066422 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 131402320515404 its reverse (404515023204131), we get a palindrome (535917343719535).

The spelling of 131402320515404 in words is "one hundred thirty-one trillion, four hundred two billion, three hundred twenty million, five hundred fifteen thousand, four hundred four".