136948986 has 24 divisors (see below), whose sum is σ = 297545664. Its totient is φ = 45523080.

The previous prime is 136948967. The next prime is 136949011. The reversal of 136948986 is 689849631.

136948986 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3760 + ... + 16971.

It is an arithmetic number, because the mean of its divisors is an integer number (12397736).

Almost surely, 2^136948986 is an apocalyptic number.

136948986 is an abundant number, since it is smaller than the sum of its proper divisors (160596678).

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

136948986 is a wasteful number, since it uses less digits than its factorization.

136948986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21106 (or 21103 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 54.

The square root of 136948986 is about 11702.5204977389. The cubic root of 136948986 is about 515.4496791938.

The spelling of 136948986 in words is "one hundred thirty-six million, nine hundred forty-eight thousand, nine hundred eighty-six".