1337740091 has 2 divisors, whose sum is σ = 1337740092. Its totient is φ = 1337740090.

The previous prime is 1337740073. The next prime is 1337740093. The reversal of 1337740091 is 1900477331.

It is a strong prime.

It is an emirp because it is prime and its reverse (1900477331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1337740091 - 2¹⁴ = 1337723707 is a prime.

Together with 1337740093, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1337740093) 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, 668870045 + 668870046.

It is an arithmetic number, because the mean of its divisors is an integer number (668870046).

Almost surely, 2^1337740091 is an apocalyptic number.

1337740091 is a deficient number, since it is larger than the sum of its proper divisors (1).

1337740091 is an equidigital number, since it uses as much as digits as its factorization.

1337740091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15876, while the sum is 35.

The square root of 1337740091 is about 36575.1294051026. The cubic root of 1337740091 is about 1101.8536489760.

The spelling of 1337740091 in words is "one billion, three hundred thirty-seven million, seven hundred forty thousand, ninety-one".