235142118618 has 32 divisors (see below), whose sum is σ = 513233468352. Its totient is φ = 71227948800.

The previous prime is 235142118613. The next prime is 235142118667. The reversal of 235142118618 is 816811241532.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 235142118618.

It is not an unprimeable number, because it can be changed into a prime (235142118613) 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, 506671 + ... + 852642.

It is an arithmetic number, because the mean of its divisors is an integer number (16038545886).

Almost surely, 2^235142118618 is an apocalyptic number.

235142118618 is an abundant number, since it is smaller than the sum of its proper divisors (278091349734).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

235142118618 is a wasteful number, since it uses less digits than its factorization.

235142118618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1361950.

The product of its digits is 92160, while the sum is 42.

The spelling of 235142118618 in words is "two hundred thirty-five billion, one hundred forty-two million, one hundred eighteen thousand, six hundred eighteen".