233412139 has 8 divisors (see below), whose sum is σ = 239390928. Its totient is φ = 227447040.

The previous prime is 233412133. The next prime is 233412149. The reversal of 233412139 is 931214332.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-233412139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (233412133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37144 + ... + 42970.

It is an arithmetic number, because the mean of its divisors is an integer number (29923866).

Almost surely, 2^233412139 is an apocalyptic number.

233412139 is a deficient number, since it is larger than the sum of its proper divisors (5978789).

233412139 is an equidigital number, since it uses as much as digits as its factorization.

233412139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6845.

The product of its digits is 3888, while the sum is 28.

The square root of 233412139 is about 15277.8316197031. The cubic root of 233412139 is about 615.7075506091.

The spelling of 233412139 in words is "two hundred thirty-three million, four hundred twelve thousand, one hundred thirty-nine".