136545740 has 12 divisors (see below), whose sum is σ = 286746096. Its totient is φ = 54618288.

The previous prime is 136545737. The next prime is 136545749. The reversal of 136545740 is 47545631.

It is a super-2 number, since 2×136545740² = 37289478224295200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 136545740.

It is not an unprimeable number, because it can be changed into a prime (136545749) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3413624 + ... + 3413663.

It is an arithmetic number, because the mean of its divisors is an integer number (23895508).

Almost surely, 2^136545740 is an apocalyptic number.

136545740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136545740 is an abundant number, since it is smaller than the sum of its proper divisors (150200356).

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

136545740 is a wasteful number, since it uses less digits than its factorization.

136545740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6827296 (or 6827294 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 136545740 is about 11685.2787728834. The cubic root of 136545740 is about 514.9432683289.

The spelling of 136545740 in words is "one hundred thirty-six million, five hundred forty-five thousand, seven hundred forty".