1337740097 has 4 divisors (see below), whose sum is σ = 1337824596. Its totient is φ = 1337655600.

The previous prime is 1337740093. The next prime is 1337740109. The reversal of 1337740097 is 7900477331.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7900477331 = 1117 ⋅7072943.

It can be written as a sum of positive squares in 2 ways, for example, as 401441296 + 936298801 = 20036^2 + 30599^2 .

It is a cyclic number.

It is not a de Polignac number, because 1337740097 - 2² = 1337740093 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1337740091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10598 + ... + 52799.

It is an arithmetic number, because the mean of its divisors is an integer number (334456149).

Almost surely, 2^1337740097 is an apocalyptic number.

It is an amenable number.

1337740097 is a deficient number, since it is larger than the sum of its proper divisors (84499).

1337740097 is an equidigital number, since it uses as much as digits as its factorization.

1337740097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84498.

The product of its (nonzero) digits is 111132, while the sum is 41.

The square root of 1337740097 is about 36575.1294871255. The cubic root of 1337740097 is about 1101.8536506233.

The spelling of 1337740097 in words is "one billion, three hundred thirty-seven million, seven hundred forty thousand, ninety-seven".