136725740 has 24 divisors (see below), whose sum is σ = 287346192. Its totient is φ = 54648000.

The previous prime is 136725709. The next prime is 136725763. The reversal of 136725740 is 47527631.

It is a self number, because there is not a number n which added to its sum of digits gives 136725740.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 43502 + ... + 46538.

It is an arithmetic number, because the mean of its divisors is an integer number (11972758).

Almost surely, 2^136725740 is an apocalyptic number.

136725740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136725740 is an abundant number, since it is smaller than the sum of its proper divisors (150620452).

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

136725740 is a wasteful number, since it uses less digits than its factorization.

136725740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5297 (or 5295 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 136725740 is about 11692.9782348211. The cubic root of 136725740 is about 515.1694418416.

The spelling of 136725740 in words is "one hundred thirty-six million, seven hundred twenty-five thousand, seven hundred forty".