236193747128 has 16 divisors (see below), whose sum is σ = 447162920880. Its totient is φ = 116950301568.

The previous prime is 236193747037. The next prime is 236193747143. The reversal of 236193747128 is 821747391632.

It is a self number, because there is not a number n which added to its sum of digits gives 236193747128.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143320625 + ... + 143322272.

It is an arithmetic number, because the mean of its divisors is an integer number (27947682555).

Almost surely, 2^236193747128 is an apocalyptic number.

It is an amenable number.

236193747128 is a deficient number, since it is larger than the sum of its proper divisors (210969173752).

236193747128 is a wasteful number, since it uses less digits than its factorization.

236193747128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286643006 (or 286643002 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 53.

The spelling of 236193747128 in words is "two hundred thirty-six billion, one hundred ninety-three million, seven hundred forty-seven thousand, one hundred twenty-eight".