1309489334 has 8 divisors (see below), whose sum is σ = 1966044288. Its totient is φ = 654141240.

The previous prime is 1309489319. The next prime is 1309489373. The reversal of 1309489334 is 4339849031.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 298997 + ... + 303344.

It is an arithmetic number, because the mean of its divisors is an integer number (245755536).

Almost surely, 2^1309489334 is an apocalyptic number.

1309489334 is a deficient number, since it is larger than the sum of its proper divisors (656554954).

1309489334 is a wasteful number, since it uses less digits than its factorization.

1309489334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603430.

The product of its (nonzero) digits is 279936, while the sum is 44.

The square root of 1309489334 is about 36186.8668718363. The cubic root of 1309489334 is about 1094.0419840911.

The spelling of 1309489334 in words is "one billion, three hundred nine million, four hundred eighty-nine thousand, three hundred thirty-four".