136140580 has 24 divisors (see below), whose sum is σ = 292545792. Its totient is φ = 53189472.

The previous prime is 136140577. The next prime is 136140601. The reversal of 136140580 is 85041631.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78292 + ... + 80011.

It is an arithmetic number, because the mean of its divisors is an integer number (12189408).

Almost surely, 2^136140580 is an apocalyptic number.

136140580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136140580 is an abundant number, since it is smaller than the sum of its proper divisors (156405212).

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

136140580 is a wasteful number, since it uses less digits than its factorization.

136140580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158355 (or 158353 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 136140580 is about 11667.9295506958. The cubic root of 136140580 is about 514.4334486657.

The spelling of 136140580 in words is "one hundred thirty-six million, one hundred forty thousand, five hundred eighty".