136590984 has 24 divisors (see below), whose sum is σ = 369934110. Its totient is φ = 45530304.

The previous prime is 136590983. The next prime is 136591001. The reversal of 136590984 is 489095631.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 74338884 + 62252100 = 8622^2 + 7890^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (136590983) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 948477 + ... + 948620.

Almost surely, 2^136590984 is an apocalyptic number.

It is an amenable number.

136590984 is an abundant number, since it is smaller than the sum of its proper divisors (233343126).

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

136590984 is a wasteful number, since it uses less digits than its factorization.

136590984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1897109 (or 1897102 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 136590984 is about 11687.2145526639. The cubic root of 136590984 is about 515.0001369906. Note that the first 3 decimals are identical.

The spelling of 136590984 in words is "one hundred thirty-six million, five hundred ninety thousand, nine hundred eighty-four".