136252512 has 144 divisors (see below), whose sum is σ = 433414800. Its totient is φ = 40243200.

The previous prime is 136252511. The next prime is 136252531. The reversal of 136252512 is 215252631.

It is a happy number.

136252512 is a `hidden beast` number, since 1 + 3 + 625 + 25 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136252511) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 129364 + ... + 130412.

It is an arithmetic number, because the mean of its divisors is an integer number (3009825).

Almost surely, 2^136252512 is an apocalyptic number.

136252512 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 136252512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216707400).

136252512 is an abundant number, since it is smaller than the sum of its proper divisors (297162288).

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

136252512 is a wasteful number, since it uses less digits than its factorization.

136252512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117 (or 1106 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 136252512 is about 11672.7251316905. The cubic root of 136252512 is about 514.5743955977.

The spelling of 136252512 in words is "one hundred thirty-six million, two hundred fifty-two thousand, five hundred twelve".