235139492 has 12 divisors (see below), whose sum is σ = 470279040. Its totient is φ = 100774056.

The previous prime is 235139479. The next prime is 235139501. The reversal of 235139492 is 294931532.

It is a happy number.

235139492 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

235139492 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4198892 + ... + 4198947.

It is an arithmetic number, because the mean of its divisors is an integer number (39189920).

Almost surely, 2^235139492 is an apocalyptic number.

It is an amenable number.

235139492 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

235139492 is a wasteful number, since it uses less digits than its factorization.

235139492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8397850 (or 8397848 counting only the distinct ones).

The product of its digits is 58320, while the sum is 38.

The square root of 235139492 is about 15334.2587691743. The cubic root of 235139492 is about 617.2226552601. Note that the first 3 decimals are identical.

The spelling of 235139492 in words is "two hundred thirty-five million, one hundred thirty-nine thousand, four hundred ninety-two".