1308137 has 2 divisors, whose sum is σ = 1308138. Its totient is φ = 1308136.

The previous prime is 1308121. The next prime is 1308157. The reversal of 1308137 is 7318031.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1297321 + 10816 = 1139^2 + 104^2 .

It is a cyclic number.

It is not a de Polignac number, because 1308137 - 2⁴ = 1308121 is a prime.

It is a super-2 number, since 2×1308137² = 3422444821538, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1308157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 654068 + 654069.

It is an arithmetic number, because the mean of its divisors is an integer number (654069).

2^1308137 is an apocalyptic number.

It is an amenable number.

1308137 is a deficient number, since it is larger than the sum of its proper divisors (1).

1308137 is an equidigital number, since it uses as much as digits as its factorization.

1308137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 1308137 is about 1143.7381693377. The cubic root of 1308137 is about 109.3665241867.

The spelling of 1308137 in words is "one million, three hundred eight thousand, one hundred thirty-seven".