136504665 has 24 divisors (see below), whose sum is σ = 258118848. Its totient is φ = 66183840.

The previous prime is 136504663. The next prime is 136504699. The reversal of 136504665 is 566405631.

It is not a de Polignac number, because 136504665 - 2¹ = 136504663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (136504663) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 137389 + ... + 138378.

It is an arithmetic number, because the mean of its divisors is an integer number (10754952).

Almost surely, 2^136504665 is an apocalyptic number.

136504665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

136504665 is a deficient number, since it is larger than the sum of its proper divisors (121614183).

136504665 is a wasteful number, since it uses less digits than its factorization.

136504665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275789 (or 275786 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 136504665 is about 11683.5210874120. The cubic root of 136504665 is about 514.8916289394.

The spelling of 136504665 in words is "one hundred thirty-six million, five hundred four thousand, six hundred sixty-five".