136448637 has 16 divisors (see below), whose sum is σ = 201223680. Its totient is φ = 81698112.

The previous prime is 136448623. The next prime is 136448693. The reversal of 136448637 is 736844631.

It is a happy number.

It is not a de Polignac number, because 136448637 - 2⁴ = 136448621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136448617) 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 15 ways as a sum of consecutive naturals, for example, 45837 + ... + 48722.

It is an arithmetic number, because the mean of its divisors is an integer number (12576480).

Almost surely, 2^136448637 is an apocalyptic number.

It is an amenable number.

136448637 is a deficient number, since it is larger than the sum of its proper divisors (64775043).

136448637 is a wasteful number, since it uses less digits than its factorization.

136448637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94612.

The product of its digits is 290304, while the sum is 42.

The square root of 136448637 is about 11681.1231052498. The cubic root of 136448637 is about 514.8211739700.

The spelling of 136448637 in words is "one hundred thirty-six million, four hundred forty-eight thousand, six hundred thirty-seven".