136913478456 has 16 divisors (see below), whose sum is σ = 342283696200. Its totient is φ = 45637826144.

The previous prime is 136913478409. The next prime is 136913478463. The reversal of 136913478456 is 654874319631.

It is a super-2 number, since 2×136913478456² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 136913478396 and 136913478405.

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, 2852364111 + ... + 2852364158.

Almost surely, 2^136913478456 is an apocalyptic number.

It is an amenable number.

136913478456 is an abundant number, since it is smaller than the sum of its proper divisors (205370217744).

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

136913478456 is a wasteful number, since it uses less digits than its factorization.

136913478456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5704728278 (or 5704728274 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 57.

The spelling of 136913478456 in words is "one hundred thirty-six billion, nine hundred thirteen million, four hundred seventy-eight thousand, four hundred fifty-six".