136625440 has 96 divisors (see below), whose sum is σ = 371347200. Its totient is φ = 46531584.

The previous prime is 136625429. The next prime is 136625471. The reversal of 136625440 is 44526631.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222574 + ... + 223186.

It is an arithmetic number, because the mean of its divisors is an integer number (3868200).

Almost surely, 2^136625440 is an apocalyptic number.

136625440 is a gapful number since it is divisible by the number (10) 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 136625440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185673600).

136625440 is an abundant number, since it is smaller than the sum of its proper divisors (234721760).

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

136625440 is a wasteful number, since it uses less digits than its factorization.

136625440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834 (or 826 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 136625440 is about 11688.6885491915. The cubic root of 136625440 is about 515.0434374397.

The spelling of 136625440 in words is "one hundred thirty-six million, six hundred twenty-five thousand, four hundred forty".