142014839 has 4 divisors (see below), whose sum is σ = 144015120. Its totient is φ = 140014560.

The previous prime is 142014781. The next prime is 142014877. The reversal of 142014839 is 938410241.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142014839 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 (142014539) 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, 1000034 + ... + 1000175.

It is an arithmetic number, because the mean of its divisors is an integer number (36003780).

Almost surely, 2^142014839 is an apocalyptic number.

142014839 is a deficient number, since it is larger than the sum of its proper divisors (2000281).

142014839 is an equidigital number, since it uses as much as digits as its factorization.

142014839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2000280.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 142014839 is about 11916.9979021564. The cubic root of 142014839 is about 521.7285169050.

The spelling of 142014839 in words is "one hundred forty-two million, fourteen thousand, eight hundred thirty-nine".