235136442 has 32 divisors (see below), whose sum is σ = 474876864. Its totient is φ = 77616000.

The previous prime is 235136423. The next prime is 235136449. The reversal of 235136442 is 244631532.

It is not an unprimeable number, because it can be changed into a prime (235136449) 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, 390942 + ... + 391542.

It is an arithmetic number, because the mean of its divisors is an integer number (14839902).

Almost surely, 2^235136442 is an apocalyptic number.

235136442 is an abundant number, since it is smaller than the sum of its proper divisors (239740422).

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

235136442 is a wasteful number, since it uses less digits than its factorization.

235136442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134.

The product of its digits is 17280, while the sum is 30.

The square root of 235136442 is about 15334.1593183324. The cubic root of 235136442 is about 617.2199865786.

Adding to 235136442 its reverse (244631532), we get a palindrome (479767974).

The spelling of 235136442 in words is "two hundred thirty-five million, one hundred thirty-six thousand, four hundred forty-two".