136240545 has 64 divisors (see below), whose sum is σ = 268001280. Its totient is φ = 57708288.

The previous prime is 136240513. The next prime is 136240553. The reversal of 136240545 is 545042631.

136240545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 136240545 - 2⁵ = 136240513 is a prime.

It is a super-2 number, since 2×136240545² = 37122972203794050, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 93039 + ... + 94491.

It is an arithmetic number, because the mean of its divisors is an integer number (4187520).

Almost surely, 2^136240545 is an apocalyptic number.

136240545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

136240545 is a deficient number, since it is larger than the sum of its proper divisors (131760735).

136240545 is a wasteful number, since it uses less digits than its factorization.

136240545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1534.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 136240545 is about 11672.2125152004. The cubic root of 136240545 is about 514.5593302067.

The spelling of 136240545 in words is "one hundred thirty-six million, two hundred forty thousand, five hundred forty-five".