1137449317 has 2 divisors, whose sum is σ = 1137449318. Its totient is φ = 1137449316.

The previous prime is 1137449309. The next prime is 1137449321. The reversal of 1137449317 is 7139447311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1137443076 + 6241 = 33726^2 + 79^2 .

It is a cyclic number.

It is not a de Polignac number, because 1137449317 - 2³ = 1137449309 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1137449317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1137449917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 568724658 + 568724659.

It is an arithmetic number, because the mean of its divisors is an integer number (568724659).

Almost surely, 2^1137449317 is an apocalyptic number.

It is an amenable number.

1137449317 is a deficient number, since it is larger than the sum of its proper divisors (1).

1137449317 is an equidigital number, since it uses as much as digits as its factorization.

1137449317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 63504, while the sum is 40.

The square root of 1137449317 is about 33726.0925249279. The cubic root of 1137449317 is about 1043.8642352313.

The spelling of 1137449317 in words is "one billion, one hundred thirty-seven million, four hundred forty-nine thousand, three hundred seventeen".