85135318 has 4 divisors (see below), whose sum is σ = 127702980. Its totient is φ = 42567658.

The previous prime is 85135307. The next prime is 85135343. The reversal of 85135318 is 81353158.

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

It is a super-2 number, since 2×85135318² = 14496044741922248, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21283828 + ... + 21283831.

It is an arithmetic number, because the mean of its divisors is an integer number (31925745).

Almost surely, 2^85135318 is an apocalyptic number.

85135318 is a deficient number, since it is larger than the sum of its proper divisors (42567662).

85135318 is a wasteful number, since it uses less digits than its factorization.

85135318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42567661.

The product of its digits is 14400, while the sum is 34.

The square root of 85135318 is about 9226.8801877991. The cubic root of 85135318 is about 439.9161651571.

It can be divided in two parts, 8513 and 5318, that added together give a palindrome (13831).

The spelling of 85135318 in words is "eighty-five million, one hundred thirty-five thousand, three hundred eighteen".