136780058426886 has 72 divisors (see below), whose sum is σ = 344793768752160. Its totient is φ = 39074100087456.

The previous prime is 136780058426867. The next prime is 136780058426903. The reversal of 136780058426886 is 688624850087631.

136780058426886 is a `hidden beast` number, since 1 + 3 + 6 + 78 + 0 + 0 + 58 + 426 + 8 + 86 = 666.

It is a super-2 number, since 2×136780058426886² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5908621 + ... + 17563368.

It is an arithmetic number, because the mean of its divisors is an integer number (4788802343780).

Almost surely, 2^{136780058426886} is an apocalyptic number.

136780058426886 is an abundant number, since it is smaller than the sum of its proper divisors (208013710325274).

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

136780058426886 is a wasteful number, since it uses less digits than its factorization.

136780058426886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23478618 (or 23478608 counting only the distinct ones).

The product of its (nonzero) digits is 743178240, while the sum is 72.

The spelling of 136780058426886 in words is "one hundred thirty-six trillion, seven hundred eighty billion, fifty-eight million, four hundred twenty-six thousand, eight hundred eighty-six".