239140633 has 4 divisors (see below), whose sum is σ = 239171940. Its totient is φ = 239109328.

The previous prime is 239140609. The next prime is 239140661. The reversal of 239140633 is 336041932.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 236790544 + 2350089 = 15388^2 + 1533^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-239140633 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 239140595 and 239140604.

It is not an unprimeable number, because it can be changed into a prime (239140133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4191 + ... + 22267.

It is an arithmetic number, because the mean of its divisors is an integer number (59792985).

Almost surely, 2^239140633 is an apocalyptic number.

It is an amenable number.

239140633 is a deficient number, since it is larger than the sum of its proper divisors (31307).

239140633 is a wasteful number, since it uses less digits than its factorization.

239140633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31306.

The product of its (nonzero) digits is 11664, while the sum is 31.

The square root of 239140633 is about 15464.1725611169. The cubic root of 239140633 is about 620.7038771481.

The spelling of 239140633 in words is "two hundred thirty-nine million, one hundred forty thousand, six hundred thirty-three".