133635796959 has 16 divisors (see below), whose sum is σ = 204081106688. Its totient is φ = 76196210112.

The previous prime is 133635796939. The next prime is 133635796967. The reversal of 133635796959 is 959697536331.

It is not a de Polignac number, because 133635796959 - 2⁹ = 133635796447 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133635796959.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133635796919) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6952777 + ... + 6971970.

It is an arithmetic number, because the mean of its divisors is an integer number (12755069168).

Almost surely, 2^133635796959 is an apocalyptic number.

133635796959 is a deficient number, since it is larger than the sum of its proper divisors (70445309729).

133635796959 is a wasteful number, since it uses less digits than its factorization.

133635796959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13925214.

The product of its digits is 124002900, while the sum is 66.

The spelling of 133635796959 in words is "one hundred thirty-three billion, six hundred thirty-five million, seven hundred ninety-six thousand, nine hundred fifty-nine".