135656664604413 has 64 divisors (see below), whose sum is σ = 192871064542464. Its totient is φ = 84703933440000.

The previous prime is 135656664604333. The next prime is 135656664604423. The reversal of 135656664604413 is 314406466656531.

It is not a de Polignac number, because 135656664604413 - 2¹⁶ = 135656664538877 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135656664604423) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 72257073 + ... + 74110713.

It is an arithmetic number, because the mean of its divisors is an integer number (3013610383476).

Almost surely, 2^{135656664604413} is an apocalyptic number.

It is an amenable number.

135656664604413 is a deficient number, since it is larger than the sum of its proper divisors (57214399938051).

135656664604413 is a wasteful number, since it uses less digits than its factorization.

135656664604413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1853966.

The product of its (nonzero) digits is 111974400, while the sum is 60.

The spelling of 135656664604413 in words is "one hundred thirty-five trillion, six hundred fifty-six billion, six hundred sixty-four million, six hundred four thousand, four hundred thirteen".