86590142 has 4 divisors (see below), whose sum is σ = 129885216. Its totient is φ = 43295070.

The previous prime is 86590139. The next prime is 86590151. The reversal of 86590142 is 24109568.

It is a semiprime because it is the product of two primes.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 21647534 + ... + 21647537.

It is an arithmetic number, because the mean of its divisors is an integer number (32471304).

Almost surely, 2^86590142 is an apocalyptic number.

86590142 is a deficient number, since it is larger than the sum of its proper divisors (43295074).

86590142 is a wasteful number, since it uses less digits than its factorization.

86590142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43295073.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 86590142 is about 9305.3824209433. The cubic root of 86590142 is about 442.4078427466.

The spelling of 86590142 in words is "eighty-six million, five hundred ninety thousand, one hundred forty-two".