235142638 has 8 divisors (see below), whose sum is σ = 354753288. Its totient is φ = 116891544.

The previous prime is 235142629. The next prime is 235142641. The reversal of 235142638 is 836241532.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 339456 + ... + 340147.

It is an arithmetic number, because the mean of its divisors is an integer number (44344161).

Almost surely, 2^235142638 is an apocalyptic number.

235142638 is a deficient number, since it is larger than the sum of its proper divisors (119610650).

235142638 is a wasteful number, since it uses less digits than its factorization.

235142638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679778.

The product of its digits is 34560, while the sum is 34.

The square root of 235142638 is about 15334.3613495965. The cubic root of 235142638 is about 617.2254079153.

The spelling of 235142638 in words is "two hundred thirty-five million, one hundred forty-two thousand, six hundred thirty-eight".