1337740109 has 2 divisors, whose sum is σ = 1337740110. Its totient is φ = 1337740108.

The previous prime is 1337740093. The next prime is 1337740147. The reversal of 1337740109 is 9010477331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1264158025 + 73582084 = 35555^2 + 8578^2 .

It is a cyclic number.

It is not a de Polignac number, because 1337740109 - 2⁴ = 1337740093 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1337740189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 668870054 + 668870055.

It is an arithmetic number, because the mean of its divisors is an integer number (668870055).

Almost surely, 2^1337740109 is an apocalyptic number.

It is an amenable number.

1337740109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1337740109 is an equidigital number, since it uses as much as digits as its factorization.

1337740109 is an evil number, because the sum of its binary digits is even.

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

The square root of 1337740109 is about 36575.1296511714. The cubic root of 1337740109 is about 1101.8536539180.

The spelling of 1337740109 in words is "one billion, three hundred thirty-seven million, seven hundred forty thousand, one hundred nine".