142039263 has 32 divisors (see below), whose sum is σ = 200931840. Its totient is φ = 89147520.

The previous prime is 142039259. The next prime is 142039273. The reversal of 142039263 is 362930241.

It is not a de Polignac number, because 142039263 - 2² = 142039259 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142039263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142039273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 527893 + ... + 528161.

It is an arithmetic number, because the mean of its divisors is an integer number (6279120).

Almost surely, 2^142039263 is an apocalyptic number.

142039263 is a deficient number, since it is larger than the sum of its proper divisors (58892577).

142039263 is a wasteful number, since it uses less digits than its factorization.

142039263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 142039263 is about 11918.0226128331. The cubic root of 142039263 is about 521.7584245000.

It can be divided in two parts, 1420392 and 63, that added together give a triangular number (1420455 = T₁₆₈₅).

The spelling of 142039263 in words is "one hundred forty-two million, thirty-nine thousand, two hundred sixty-three".