1337942189 has 2 divisors, whose sum is σ = 1337942190. Its totient is φ = 1337942188.

The previous prime is 1337942161. The next prime is 1337942273. The reversal of 1337942189 is 9812497331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1206381289 + 131560900 = 34733^2 + 11470^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1337942189 is a prime.

It is a super-2 number, since 2×1337942189² = 3580178602212223442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1337942149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 668971094 + 668971095.

It is an arithmetic number, because the mean of its divisors is an integer number (668971095).

Almost surely, 2^1337942189 is an apocalyptic number.

It is an amenable number.

1337942189 is a deficient number, since it is larger than the sum of its proper divisors (1).

1337942189 is an equidigital number, since it uses as much as digits as its factorization.

1337942189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 326592, while the sum is 47.

The square root of 1337942189 is about 36577.8920797796. The cubic root of 1337942189 is about 1101.9091333977.

The spelling of 1337942189 in words is "one billion, three hundred thirty-seven million, nine hundred forty-two thousand, one hundred eighty-nine".