131935020604 has 12 divisors (see below), whose sum is σ = 234332350504. Its totient is φ = 64982920464.

The previous prime is 131935020557. The next prime is 131935020611. The reversal of 131935020604 is 406020539131.

It is a self number, because there is not a number n which added to its sum of digits gives 131935020604.

It is a congruent number.

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, 246147159 + ... + 246147694.

Almost surely, 2^131935020604 is an apocalyptic number.

It is an amenable number.

131935020604 is a deficient number, since it is larger than the sum of its proper divisors (102397329900).

131935020604 is a wasteful number, since it uses less digits than its factorization.

131935020604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492294924 (or 492294922 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 34.

Adding to 131935020604 its reverse (406020539131), we get a palindrome (537955559735).

The spelling of 131935020604 in words is "one hundred thirty-one billion, nine hundred thirty-five million, twenty thousand, six hundred four".