239309142 has 16 divisors (see below), whose sum is σ = 503808960. Its totient is φ = 75571272.

The previous prime is 239309137. The next prime is 239309149. The reversal of 239309142 is 241903932.

239309142 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (239309149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1049488 + ... + 1049715.

It is an arithmetic number, because the mean of its divisors is an integer number (31488060).

Almost surely, 2^239309142 is an apocalyptic number.

239309142 is an abundant number, since it is smaller than the sum of its proper divisors (264499818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

239309142 is a wasteful number, since it uses less digits than its factorization.

239309142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2099227.

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 239309142 is about 15469.6199694757. The cubic root of 239309142 is about 620.8496346615.

The spelling of 239309142 in words is "two hundred thirty-nine million, three hundred nine thousand, one hundred forty-two".