169137 has 6 divisors (see below), whose sum is σ = 244322. Its totient is φ = 112752.

The previous prime is 169129. The next prime is 169151. The reversal of 169137 is 731961.

It can be written as a sum of positive squares in only one way, i.e., 156816 + 12321 = 396^2 + 111^2 .

It is not a de Polignac number, because 169137 - 2³ = 169129 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 169137.

It is not an unprimeable number, because it can be changed into a prime (169177) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9388 + ... + 9405.

2¹⁶⁹¹³⁷ is an apocalyptic number.

It is an amenable number.

169137 is a deficient number, since it is larger than the sum of its proper divisors (75185).

169137 is a wasteful number, since it uses less digits than its factorization.

169137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18799 (or 18796 counting only the distinct ones).

The product of its digits is 1134, while the sum is 27.

The square root of 169137 is about 411.2626897738. The cubic root of 169137 is about 55.3026837890.

It can be divided in two parts, 1691 and 37, that added together give a cube (1728 = 12³).

The spelling of 169137 in words is "one hundred sixty-nine thousand, one hundred thirty-seven".