136385625 has 20 divisors (see below), whose sum is σ = 227239760. Its totient is φ = 72738000.

The previous prime is 136385609. The next prime is 136385657. The reversal of 136385625 is 526583631.

It is not a de Polignac number, because 136385625 - 2⁴ = 136385609 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 34495 + ... + 38244.

It is an arithmetic number, because the mean of its divisors is an integer number (11361988).

Almost surely, 2^136385625 is an apocalyptic number.

136385625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

136385625 is a deficient number, since it is larger than the sum of its proper divisors (90854135).

136385625 is an frugal number, since it uses more digits than its factorization.

136385625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72762 (or 72747 counting only the distinct ones).

The product of its digits is 129600, while the sum is 39.

The square root of 136385625 is about 11678.4256216324. The cubic root of 136385625 is about 514.7419136041.

The spelling of 136385625 in words is "one hundred thirty-six million, three hundred eighty-five thousand, six hundred twenty-five".