1337989306 has 8 divisors (see below), whose sum is σ = 2020454100. Its totient is φ = 664504608.

The previous prime is 1337989297. The next prime is 1337989309. The reversal of 1337989306 is 6039897331.

It can be written as a sum of positive squares in 2 ways, for example, as 1233765625 + 104223681 = 35125^2 + 10209^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 1337989306.

It is not an unprimeable number, because it can be changed into a prime (1337989309) 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, 2244651 + ... + 2245246.

Almost surely, 2^1337989306 is an apocalyptic number.

1337989306 is a deficient number, since it is larger than the sum of its proper divisors (682464794).

1337989306 is a wasteful number, since it uses less digits than its factorization.

1337989306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4490048.

The product of its (nonzero) digits is 734832, while the sum is 49.

The square root of 1337989306 is about 36578.5361380141. The cubic root of 1337989306 is about 1101.9220681975.

The spelling of 1337989306 in words is "one billion, three hundred thirty-seven million, nine hundred eighty-nine thousand, three hundred six".