1337168387 has 2 divisors, whose sum is σ = 1337168388. Its totient is φ = 1337168386.

The previous prime is 1337168321. The next prime is 1337168423. The reversal of 1337168387 is 7838617331.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1337168387 is a prime.

It is not a weakly prime, because it can be changed into another prime (1337168587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 668584193 + 668584194.

It is an arithmetic number, because the mean of its divisors is an integer number (668584194).

Almost surely, 2^1337168387 is an apocalyptic number.

1337168387 is a deficient number, since it is larger than the sum of its proper divisors (1).

1337168387 is an equidigital number, since it uses as much as digits as its factorization.

1337168387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 508032, while the sum is 47.

The square root of 1337168387 is about 36567.3130951674. The cubic root of 1337168387 is about 1101.6966618548.

The spelling of 1337168387 in words is "one billion, three hundred thirty-seven million, one hundred sixty-eight thousand, three hundred eighty-seven".