85412138 has 8 divisors (see below), whose sum is σ = 146420832. Its totient is φ = 36605196.

The previous prime is 85412123. The next prime is 85412149. The reversal of 85412138 is 83121458.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3050420 + ... + 3050447.

It is an arithmetic number, because the mean of its divisors is an integer number (18302604).

Almost surely, 2^85412138 is an apocalyptic number.

85412138 is a deficient number, since it is larger than the sum of its proper divisors (61008694).

85412138 is a wasteful number, since it uses less digits than its factorization.

85412138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6100876.

The product of its digits is 7680, while the sum is 32.

The square root of 85412138 is about 9241.8687504206. The cubic root of 85412138 is about 440.3924494451.

The spelling of 85412138 in words is "eighty-five million, four hundred twelve thousand, one hundred thirty-eight".