289318134 has 32 divisors (see below), whose sum is σ = 662365440. Its totient is φ = 82528992.

The previous prime is 289318109. The next prime is 289318151. The reversal of 289318134 is 431813982.

It is a super-2 number, since 2×289318134² = 167409965322483912, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 289318092 and 289318101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22452 + ... + 32904.

It is an arithmetic number, because the mean of its divisors is an integer number (20698920).

Almost surely, 2^289318134 is an apocalyptic number.

289318134 is an abundant number, since it is smaller than the sum of its proper divisors (373047306).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

289318134 is a wasteful number, since it uses less digits than its factorization.

289318134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11124.

The product of its digits is 41472, while the sum is 39.

The square root of 289318134 is about 17009.3543087326. The cubic root of 289318134 is about 661.3914125871.

It can be divided in two parts, 2893181 and 34, that added together give a triangular number (2893215 = T₂₄₀₅).

The spelling of 289318134 in words is "two hundred eighty-nine million, three hundred eighteen thousand, one hundred thirty-four".