868137 has 12 divisors (see below), whose sum is σ = 1191696. Its totient is φ = 562120.

The previous prime is 868123. The next prime is 868151. The reversal of 868137 is 731868.

It is an interprime number because it is at equal distance from previous prime (868123) and next prime (868151).

It is not a de Polignac number, because 868137 - 2⁴ = 868121 is a prime.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 868098 and 868107.

It is not an unprimeable number, because it can be changed into a prime (868157) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6562 + ... + 6692.

It is an arithmetic number, because the mean of its divisors is an integer number (99308).

2⁸⁶⁸¹³⁷ is an apocalyptic number.

It is an amenable number.

868137 is a deficient number, since it is larger than the sum of its proper divisors (323559).

868137 is a wasteful number, since it uses less digits than its factorization.

868137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228 (or 181 counting only the distinct ones).

The product of its digits is 8064, while the sum is 33.

The square root of 868137 is about 931.7386972752. The cubic root of 868137 is about 95.3958368325.

The spelling of 868137 in words is "eight hundred sixty-eight thousand, one hundred thirty-seven".