136312685556 has 48 divisors (see below), whose sum is σ = 336817869696. Its totient is φ = 42759005184.

The previous prime is 136312685503. The next prime is 136312685563. The reversal of 136312685556 is 655586213631.

It is a super-2 number, since 2×136312685556² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a junction number, because it is equal to n+sod(n) for n = 136312685499 and 136312685508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1625160 + ... + 1706976.

It is an arithmetic number, because the mean of its divisors is an integer number (7017038952).

Almost surely, 2^136312685556 is an apocalyptic number.

It is an amenable number.

136312685556 is an abundant number, since it is smaller than the sum of its proper divisors (200505184140).

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

136312685556 is a wasteful number, since it uses less digits than its factorization.

136312685556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90008 (or 90006 counting only the distinct ones).

The product of its digits is 3888000, while the sum is 51.

The spelling of 136312685556 in words is "one hundred thirty-six billion, three hundred twelve million, six hundred eighty-five thousand, five hundred fifty-six".