233640115135 has 72 divisors (see below), whose sum is σ = 344722801536. Its totient is φ = 151552840320.

The previous prime is 233640115129. The next prime is 233640115147. The reversal of 233640115135 is 531511046332.

It is not a de Polignac number, because 233640115135 - 2⁵ = 233640115103 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 233640115135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 76326505 + ... + 76329565.

It is an arithmetic number, because the mean of its divisors is an integer number (4787816688).

Almost surely, 2^233640115135 is an apocalyptic number.

233640115135 is a deficient number, since it is larger than the sum of its proper divisors (111082686401).

233640115135 is a wasteful number, since it uses less digits than its factorization.

233640115135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3981 (or 3955 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 34.

The spelling of 233640115135 in words is "two hundred thirty-three billion, six hundred forty million, one hundred fifteen thousand, one hundred thirty-five".