142086799 has 16 divisors (see below), whose sum is σ = 154314720. Its totient is φ = 130324480.

The previous prime is 142086797. The next prime is 142086817. The reversal of 142086799 is 997680241.

It is a cyclic number.

It is not a de Polignac number, because 142086799 - 2¹ = 142086797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142086797) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160839 + ... + 161719.

It is an arithmetic number, because the mean of its divisors is an integer number (9644670).

Almost surely, 2^142086799 is an apocalyptic number.

142086799 is a deficient number, since it is larger than the sum of its proper divisors (12227921).

142086799 is a wasteful number, since it uses less digits than its factorization.

142086799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1130.

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 142086799 is about 11920.0167365654. The cubic root of 142086799 is about 521.8166232956.

The spelling of 142086799 in words is "one hundred forty-two million, eighty-six thousand, seven hundred ninety-nine".