235140542 has 64 divisors (see below), whose sum is σ = 465937920. Its totient is φ = 86396544.

The previous prime is 235140541. The next prime is 235140553. The reversal of 235140542 is 245041532.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (235140541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 182633 + ... + 183915.

It is an arithmetic number, because the mean of its divisors is an integer number (7280280).

Almost surely, 2^235140542 is an apocalyptic number.

235140542 is a deficient number, since it is larger than the sum of its proper divisors (230797378).

235140542 is a wasteful number, since it uses less digits than its factorization.

235140542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1377.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 235140542 is about 15334.2930062002. The cubic root of 235140542 is about 617.2235739812.

The spelling of 235140542 in words is "two hundred thirty-five million, one hundred forty thousand, five hundred forty-two".