136261552 has 50 divisors (see below), whose sum is σ = 308076388. Its totient is φ = 58381344.

The previous prime is 136261549. The next prime is 136261571. The reversal of 136261552 is 255162631.

136261552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 36643 + ... + 40189.

Almost surely, 2^136261552 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 136261552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154038194).

136261552 is an abundant number, since it is smaller than the sum of its proper divisors (171814836).

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

136261552 is an frugal number, since it uses more digits than its factorization.

136261552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3583 (or 3556 counting only the distinct ones).

The product of its digits is 10800, while the sum is 31.

The square root of 136261552 is about 11673.1123527532. The cubic root of 136261552 is about 514.5857755705.

The spelling of 136261552 in words is "one hundred thirty-six million, two hundred sixty-one thousand, five hundred fifty-two".