285830137 has 16 divisors (see below), whose sum is σ = 301465600. Its totient is φ = 270663120.

The previous prime is 285830099. The next prime is 285830141. The reversal of 285830137 is 731038582.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-285830137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 285830096 and 285830105.

It is not an unprimeable number, because it can be changed into a prime (285830437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 310564 + ... + 311482.

It is an arithmetic number, because the mean of its divisors is an integer number (18841600).

Almost surely, 2^285830137 is an apocalyptic number.

It is an amenable number.

285830137 is a deficient number, since it is larger than the sum of its proper divisors (15635463).

285830137 is a wasteful number, since it uses less digits than its factorization.

285830137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1156.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 285830137 is about 16906.5116744999. The cubic root of 285830137 is about 658.7227648077.

The spelling of 285830137 in words is "two hundred eighty-five million, eight hundred thirty thousand, one hundred thirty-seven".