236142565142 has 16 divisors (see below), whose sum is σ = 409145407632. Its totient is φ = 101023557120.

The previous prime is 236142565133. The next prime is 236142565177. The reversal of 236142565142 is 241565241632.

It is a super-2 number, since 2×236142565142² (a number of 24 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 236142565142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 315698243 + ... + 315698990.

It is an arithmetic number, because the mean of its divisors is an integer number (25571587977).

Almost surely, 2^236142565142 is an apocalyptic number.

236142565142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

236142565142 is a deficient number, since it is larger than the sum of its proper divisors (173002842490).

236142565142 is a wasteful number, since it uses less digits than its factorization.

236142565142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631397263.

The product of its digits is 345600, while the sum is 41.

The spelling of 236142565142 in words is "two hundred thirty-six billion, one hundred forty-two million, five hundred sixty-five thousand, one hundred forty-two".