136505104 has 60 divisors (see below), whose sum is σ = 286766244. Its totient is φ = 62912512.

The previous prime is 136505081. The next prime is 136505119. The reversal of 136505104 is 401505631.

It can be written as a sum of positive squares in 6 ways, for example, as 3794704 + 132710400 = 1948^2 + 11520^2 .

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, 244794 + ... + 245350.

Almost surely, 2^136505104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136505104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143383122).

136505104 is an abundant number, since it is smaller than the sum of its proper divisors (150261140).

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

136505104 is a wasteful number, since it uses less digits than its factorization.

136505104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652 (or 629 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 136505104 is about 11683.5398745414. The cubic root of 136505104 is about 514.8921809039.

The spelling of 136505104 in words is "one hundred thirty-six million, five hundred five thousand, one hundred four".