136625720 has 96 divisors (see below), whose sum is σ = 390167280. Its totient is φ = 42577920.

The previous prime is 136625717. The next prime is 136625737. The reversal of 136625720 is 27526631.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18392 + ... + 24728.

Almost surely, 2^136625720 is an apocalyptic number.

136625720 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 136625720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195083640).

136625720 is an abundant number, since it is smaller than the sum of its proper divisors (253541560).

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

136625720 is a wasteful number, since it uses less digits than its factorization.

136625720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6373 (or 6362 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 136625720 is about 11688.7005265769. The cubic root of 136625720 is about 515.0437892825.

The spelling of 136625720 in words is "one hundred thirty-six million, six hundred twenty-five thousand, seven hundred twenty".