289135634 has 8 divisors (see below), whose sum is σ = 442931328. Its totient is φ = 141491860.

The previous prime is 289135633. The next prime is 289135697. The reversal of 289135634 is 436531982.

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

It is a junction number, because it is equal to n+sod(n) for n = 289135591 and 289135600.

It is not an unprimeable number, because it can be changed into a prime (289135631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1537862 + ... + 1538049.

It is an arithmetic number, because the mean of its divisors is an integer number (55366416).

Almost surely, 2^289135634 is an apocalyptic number.

289135634 is a deficient number, since it is larger than the sum of its proper divisors (153795694).

289135634 is a wasteful number, since it uses less digits than its factorization.

289135634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3075960.

The product of its digits is 155520, while the sum is 41.

The square root of 289135634 is about 17003.9887673451. The cubic root of 289135634 is about 661.2523162000.

The spelling of 289135634 in words is "two hundred eighty-nine million, one hundred thirty-five thousand, six hundred thirty-four".