1373290939 has 2 divisors, whose sum is σ = 1373290940. Its totient is φ = 1373290938.

The previous prime is 1373290937. The next prime is 1373290967. The reversal of 1373290939 is 9390923731.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1373290939 - 2¹ = 1373290937 is a prime.

Together with 1373290937, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1373290937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 686645469 + 686645470.

It is an arithmetic number, because the mean of its divisors is an integer number (686645470).

Almost surely, 2^1373290939 is an apocalyptic number.

1373290939 is a deficient number, since it is larger than the sum of its proper divisors (1).

1373290939 is an equidigital number, since it uses as much as digits as its factorization.

1373290939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 275562, while the sum is 46.

The square root of 1373290939 is about 37057.9402962442. The cubic root of 1373290939 is about 1111.5291369800.

The spelling of 1373290939 in words is "one billion, three hundred seventy-three million, two hundred ninety thousand, nine hundred thirty-nine".