135624062661 has 16 divisors (see below), whose sum is σ = 183424304448. Its totient is φ = 89127360000.

The previous prime is 135624062657. The next prime is 135624062669. The reversal of 135624062661 is 166260426531.

It is not a de Polignac number, because 135624062661 - 2² = 135624062657 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135624062669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 855370 + ... + 1001451.

It is an arithmetic number, because the mean of its divisors is an integer number (11464019028).

Almost surely, 2^135624062661 is an apocalyptic number.

It is an amenable number.

135624062661 is a deficient number, since it is larger than the sum of its proper divisors (47800241787).

135624062661 is a wasteful number, since it uses less digits than its factorization.

135624062661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1857172.

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 135624062661 in words is "one hundred thirty-five billion, six hundred twenty-four million, sixty-two thousand, six hundred sixty-one".