239140977 has 16 divisors (see below), whose sum is σ = 322790400. Its totient is φ = 157472000.

The previous prime is 239140939. The next prime is 239140991. The reversal of 239140977 is 779041932.

It is a cyclic number.

It is not a de Polignac number, because 239140977 - 2⁷ = 239140849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (239140907) 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, 83977 + ... + 86777.

It is an arithmetic number, because the mean of its divisors is an integer number (20174400).

Almost surely, 2^239140977 is an apocalyptic number.

It is an amenable number.

239140977 is a deficient number, since it is larger than the sum of its proper divisors (83649423).

239140977 is a wasteful number, since it uses less digits than its factorization.

239140977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3144.

The product of its (nonzero) digits is 95256, while the sum is 42.

The square root of 239140977 is about 15464.1836835961. The cubic root of 239140977 is about 620.7041747722.

The spelling of 239140977 in words is "two hundred thirty-nine million, one hundred forty thousand, nine hundred seventy-seven".