135646324464031 has 16 divisors (see below), whose sum is σ = 146046910233600. Its totient is φ = 125580243522528.

The previous prime is 135646324464011. The next prime is 135646324464169. The reversal of 135646324464031 is 130464423646531.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 135646324464031 - 2⁴¹ = 133447301208479 is a prime.

It is a super-2 number, since 2×135646324464031² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 135646324464031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135646324464011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115725891 + ... + 116892148.

It is an arithmetic number, because the mean of its divisors is an integer number (9127931889600).

Almost surely, 2^{135646324464031} is an apocalyptic number.

135646324464031 is a deficient number, since it is larger than the sum of its proper divisors (10400585769569).

135646324464031 is a wasteful number, since it uses less digits than its factorization.

135646324464031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232618758.

The product of its (nonzero) digits is 14929920, while the sum is 52.

The spelling of 135646324464031 in words is "one hundred thirty-five trillion, six hundred forty-six billion, three hundred twenty-four million, four hundred sixty-four thousand, thirty-one".