136549413 has 96 divisors (see below), whose sum is σ = 276756480. Its totient is φ = 62536320.

The previous prime is 136549403. The next prime is 136549463. The reversal of 136549413 is 314945631.

It is not a de Polignac number, because 136549413 - 2⁸ = 136549157 is a prime.

Together with 140207067 it forms an amicable pair .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136549403) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 206878 + ... + 207536.

It is an arithmetic number, because the mean of its divisors is an integer number (2882880).

Almost surely, 2^136549413 is an apocalyptic number.

136549413 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

136549413 is an abundant number, since it is smaller than the sum of its proper divisors (140207067).

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

136549413 is a wasteful number, since it uses less digits than its factorization.

136549413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719 (or 716 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 136549413 is about 11685.4359353856. The cubic root of 136549413 is about 514.9478855111.

The spelling of 136549413 in words is "one hundred thirty-six million, five hundred forty-nine thousand, four hundred thirteen".