142119239 has 4 divisors (see below), whose sum is σ = 142426656. Its totient is φ = 141811824.

The previous prime is 142119181. The next prime is 142119287. The reversal of 142119239 is 932911241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 142119239 - 2⁸ = 142118983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142110239) 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, 153014 + ... + 153939.

It is an arithmetic number, because the mean of its divisors is an integer number (35606664).

Almost surely, 2^142119239 is an apocalyptic number.

142119239 is a deficient number, since it is larger than the sum of its proper divisors (307417).

142119239 is an equidigital number, since it uses as much as digits as its factorization.

142119239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307416.

The product of its digits is 3888, while the sum is 32.

The square root of 142119239 is about 11921.3773952509. The cubic root of 142119239 is about 521.8563324576.

The spelling of 142119239 in words is "one hundred forty-two million, one hundred nineteen thousand, two hundred thirty-nine".