1337194489 has 4 divisors (see below), whose sum is σ = 1337269924. Its totient is φ = 1337119056.

The previous prime is 1337194477. The next prime is 1337194499. The reversal of 1337194489 is 9844917331.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 474891264 + 862303225 = 21792^2 + 29365^2 .

It is a cyclic number.

It is not a de Polignac number, because 1337194489 - 2⁵ = 1337194457 is a prime.

It is a super-2 number, since 2×1337194489² = 3576178202823942242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1337194429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4999 + ... + 51955.

It is an arithmetic number, because the mean of its divisors is an integer number (334317481).

Almost surely, 2^1337194489 is an apocalyptic number.

It is an amenable number.

1337194489 is a deficient number, since it is larger than the sum of its proper divisors (75435).

1337194489 is an equidigital number, since it uses as much as digits as its factorization.

1337194489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75434.

The product of its digits is 653184, while the sum is 49.

The square root of 1337194489 is about 36567.6699968702. The cubic root of 1337194489 is about 1101.7038303111.

The spelling of 1337194489 in words is "one billion, three hundred thirty-seven million, one hundred ninety-four thousand, four hundred eighty-nine".