136706984 has 8 divisors (see below), whose sum is σ = 256325610. Its totient is φ = 68353488.

The previous prime is 136706939. The next prime is 136706987. The reversal of 136706984 is 489607631.

136706984 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 134050084 + 2656900 = 11578^2 + 1630^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (136706987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8544179 + ... + 8544194.

Almost surely, 2^136706984 is an apocalyptic number.

It is an amenable number.

136706984 is a deficient number, since it is larger than the sum of its proper divisors (119618626).

136706984 is a wasteful number, since it uses less digits than its factorization.

136706984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17088379 (or 17088375 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 136706984 is about 11692.1761875196. The cubic root of 136706984 is about 515.1458838295.

The spelling of 136706984 in words is "one hundred thirty-six million, seven hundred six thousand, nine hundred eighty-four".