234433240139 has 16 divisors (see below), whose sum is σ = 270992451840. Its totient is φ = 198649545120.

The previous prime is 234433240121. The next prime is 234433240163. The reversal of 234433240139 is 931042334432.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-234433240139 is a prime.

It is a super-3 number, since 3×234433240139³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (234433240109) 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, 8777 + ... + 684794.

It is an arithmetic number, because the mean of its divisors is an integer number (16937028240).

Almost surely, 2^234433240139 is an apocalyptic number.

234433240139 is a deficient number, since it is larger than the sum of its proper divisors (36559211701).

234433240139 is a wasteful number, since it uses less digits than its factorization.

234433240139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694130.

The product of its (nonzero) digits is 186624, while the sum is 38.

The spelling of 234433240139 in words is "two hundred thirty-four billion, four hundred thirty-three million, two hundred forty thousand, one hundred thirty-nine".