85000137 has 8 divisors (see below), whose sum is σ = 116396736. Its totient is φ = 55135152.

The previous prime is 85000133. The next prime is 85000147. The reversal of 85000137 is 73100058.

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

It is not a de Polignac number, because 85000137 - 2² = 85000133 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85000133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 382773 + ... + 382994.

It is an arithmetic number, because the mean of its divisors is an integer number (14549592).

Almost surely, 2^85000137 is an apocalyptic number.

It is an amenable number.

85000137 is a deficient number, since it is larger than the sum of its proper divisors (31396599).

85000137 is a wasteful number, since it uses less digits than its factorization.

85000137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765807.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 85000137 is about 9219.5518871581. The cubic root of 85000137 is about 439.6832034375.

The spelling of 85000137 in words is "eighty-five million, one hundred thirty-seven", and thus it is an aban number.