850137 has 8 divisors (see below), whose sum is σ = 1139040. Its totient is φ = 564000.

The previous prime is 850133. The next prime is 850139. The reversal of 850137 is 731058.

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

It is not a de Polignac number, because 850137 - 2² = 850133 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 850137.

It is not an unprimeable number, because it can be changed into a prime (850133) 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, 189 + ... + 1317.

It is an arithmetic number, because the mean of its divisors is an integer number (142380).

2⁸⁵⁰¹³⁷ is an apocalyptic number.

850137 is the 753-rd pentagonal number.

It is an amenable number.

850137 is a deficient number, since it is larger than the sum of its proper divisors (288903).

850137 is a wasteful number, since it uses less digits than its factorization.

850137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1383.

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

The square root of 850137 is about 922.0287414175. The cubic root of 850137 is about 94.7319126902.

The spelling of 850137 in words is "eight hundred fifty thousand, one hundred thirty-seven".