142006839 has 8 divisors (see below), whose sum is σ = 203907312. Its totient is φ = 87388800.

The previous prime is 142006829. The next prime is 142006861. The reversal of 142006839 is 938600241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 142006839 - 2⁸ = 142006583 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142006829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1820562 + ... + 1820639.

It is an arithmetic number, because the mean of its divisors is an integer number (25488414).

Almost surely, 2^142006839 is an apocalyptic number.

142006839 is a deficient number, since it is larger than the sum of its proper divisors (61900473).

142006839 is a wasteful number, since it uses less digits than its factorization.

142006839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3641217.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 142006839 is about 11916.6622424234. The cubic root of 142006839 is about 521.7187200261.

It can be divided in two parts, 142006 and 839, that added together give a triangular number (142845 = T₅₃₄).

The spelling of 142006839 in words is "one hundred forty-two million, six thousand, eight hundred thirty-nine".