136463558672 has 20 divisors (see below), whose sum is σ = 302169308736. Its totient is φ = 58484382240.

The previous prime is 136463558629. The next prime is 136463558683. The reversal of 136463558672 is 276855364631.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (56).

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, 609212204 + ... + 609212427.

Almost surely, 2^136463558672 is an apocalyptic number.

It is an amenable number.

136463558672 is an abundant number, since it is smaller than the sum of its proper divisors (165705750064).

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

136463558672 is a wasteful number, since it uses less digits than its factorization.

136463558672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1218424646 (or 1218424640 counting only the distinct ones).

The product of its digits is 21772800, while the sum is 56.

The spelling of 136463558672 in words is "one hundred thirty-six billion, four hundred sixty-three million, five hundred fifty-eight thousand, six hundred seventy-two".