136369152 has 66 divisors (see below), whose sum is σ = 393789578. Its totient is φ = 45453312.

The previous prime is 136369141. The next prime is 136369193. The reversal of 136369152 is 251963631.

136369152 is a `hidden beast` number, since 1 + 3 + 636 + 9 + 15 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 109495296 + 26873856 = 10464^2 + 5184^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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, 1818 + ... + 16614.

Almost surely, 2^136369152 is an apocalyptic number.

136369152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136369152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196894789).

136369152 is an abundant number, since it is smaller than the sum of its proper divisors (257420426).

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

136369152 is a wasteful number, since it uses less digits than its factorization.

136369152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14823 (or 14802 counting only the distinct ones).

The product of its digits is 29160, while the sum is 36.

The square root of 136369152 is about 11677.7203254745. The cubic root of 136369152 is about 514.7211888272.

The spelling of 136369152 in words is "one hundred thirty-six million, three hundred sixty-nine thousand, one hundred fifty-two".