39142146 has 16 divisors (see below), whose sum is σ = 79060608. Its totient is φ = 12918000.

The previous prime is 39142139. The next prime is 39142153. The reversal of 39142146 is 64124193.

It is an interprime number because it is at equal distance from previous prime (39142139) and next prime (39142153).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31690 + ... + 32901.

It is an arithmetic number, because the mean of its divisors is an integer number (4941288).

Almost surely, 2^39142146 is an apocalyptic number.

39142146 is an abundant number, since it is smaller than the sum of its proper divisors (39918462).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39142146 is a wasteful number, since it uses less digits than its factorization.

39142146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64697.

The product of its digits is 5184, while the sum is 30.

The square root of 39142146 is about 6256.3684354424. The cubic root of 39142146 is about 339.5326508609.

The spelling of 39142146 in words is "thirty-nine million, one hundred forty-two thousand, one hundred forty-six".