136641512 has 48 divisors (see below), whose sum is σ = 311076960. Its totient is φ = 55109376.

The previous prime is 136641511. The next prime is 136641517. The reversal of 136641512 is 215146631.

It is a happy number.

136641512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×136641512² = 37341805603292288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (136641511) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11963 + ... + 20405.

It is an arithmetic number, because the mean of its divisors is an integer number (6480770).

Almost surely, 2^136641512 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 136641512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155538480).

136641512 is an abundant number, since it is smaller than the sum of its proper divisors (174435448).

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

136641512 is a wasteful number, since it uses less digits than its factorization.

136641512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8490 (or 8469 counting only the distinct ones).

The product of its digits is 4320, while the sum is 29.

The square root of 136641512 is about 11689.3760312516. The cubic root of 136641512 is about 515.0636324428.

The spelling of 136641512 in words is "one hundred thirty-six million, six hundred forty-one thousand, five hundred twelve".