85137308 has 12 divisors (see below), whose sum is σ = 149558640. Its totient is φ = 42406272.

The previous prime is 85137289. The next prime is 85137317. The reversal of 85137308 is 80373158.

It is a super-2 number, since 2×85137308² = 14496722426973728, which contains 22 as substring.

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 in 3 ways as a sum of consecutive naturals, for example, 39413 + ... + 41516.

It is an arithmetic number, because the mean of its divisors is an integer number (12463220).

Almost surely, 2^85137308 is an apocalyptic number.

It is an amenable number.

85137308 is a deficient number, since it is larger than the sum of its proper divisors (64421332).

85137308 is a wasteful number, since it uses less digits than its factorization.

85137308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81196 (or 81194 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 85137308 is about 9226.9880242688. The cubic root of 85137308 is about 439.9195927450.

The spelling of 85137308 in words is "eighty-five million, one hundred thirty-seven thousand, three hundred eight".