42139162 has 16 divisors (see below), whose sum is σ = 68192712. Its totient is φ = 19414080.

The previous prime is 42139133. The next prime is 42139193. The reversal of 42139162 is 26193124.

42139162 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 39677401 + 2461761 = 6299^2 + 1569^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 42139162.

It is an unprimeable number.

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, 18612 + ... + 20752.

Almost surely, 2^42139162 is an apocalyptic number.

42139162 is a deficient number, since it is larger than the sum of its proper divisors (26053550).

42139162 is a wasteful number, since it uses less digits than its factorization.

42139162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2913.

The product of its digits is 2592, while the sum is 28.

The square root of 42139162 is about 6491.4684009090. The cubic root of 42139162 is about 347.9861545996.

The spelling of 42139162 in words is "forty-two million, one hundred thirty-nine thousand, one hundred sixty-two".