136504208 has 30 divisors (see below), whose sum is σ = 279141174. Its totient is φ = 64657152.

The previous prime is 136504183. The next prime is 136504213. The reversal of 136504208 is 802405631.

It can be written as a sum of positive squares in only one way, i.e., 133448704 + 3055504 = 11552^2 + 1748^2 .

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6041 + ... + 17592.

Almost surely, 2^136504208 is an apocalyptic number.

It is an amenable number.

136504208 is an abundant number, since it is smaller than the sum of its proper divisors (142636966).

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

136504208 is a wasteful number, since it uses less digits than its factorization.

136504208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23679 (or 23654 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 136504208 is about 11683.5015299353. The cubic root of 136504208 is about 514.8910543418.

Adding to 136504208 its reverse (802405631), we get a palindrome (938909839).

The spelling of 136504208 in words is "one hundred thirty-six million, five hundred four thousand, two hundred eight".