142002086 has 16 divisors (see below), whose sum is σ = 224522160. Its totient is φ = 67171680.

The previous prime is 142002079. The next prime is 142002097. The reversal of 142002086 is 680200241.

It is a Curzon number.

It is a congruent number.

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, 31196 + ... + 35456.

It is an arithmetic number, because the mean of its divisors is an integer number (14032635).

Almost surely, 2^142002086 is an apocalyptic number.

142002086 is a deficient number, since it is larger than the sum of its proper divisors (82520074).

142002086 is a wasteful number, since it uses less digits than its factorization.

142002086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5159.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 142002086 is about 11916.4628141072. The cubic root of 142002086 is about 521.7128992813.

The spelling of 142002086 in words is "one hundred forty-two million, two thousand, eighty-six".