136252816 has 20 divisors (see below), whose sum is σ = 301702912. Its totient is φ = 58394016.

The previous prime is 136252813. The next prime is 136252847. The reversal of 136252816 is 618252631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136252813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 608160 + ... + 608383.

Almost surely, 2^136252816 is an apocalyptic number.

136252816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

136252816 is an abundant number, since it is smaller than the sum of its proper divisors (165450096).

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

136252816 is a wasteful number, since it uses less digits than its factorization.

136252816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1216558 (or 1216552 counting only the distinct ones).

The product of its digits is 17280, while the sum is 34.

The square root of 136252816 is about 11672.7381534925. The cubic root of 136252816 is about 514.5747782952.

The spelling of 136252816 in words is "one hundred thirty-six million, two hundred fifty-two thousand, eight hundred sixteen".