1137722309 has 2 divisors, whose sum is σ = 1137722310. Its totient is φ = 1137722308.

The previous prime is 1137722273. The next prime is 1137722329. The reversal of 1137722309 is 9032277311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1137712900 + 9409 = 33730^2 + 97^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1137722309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1137722329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 568861154 + 568861155.

It is an arithmetic number, because the mean of its divisors is an integer number (568861155).

Almost surely, 2^1137722309 is an apocalyptic number.

It is an amenable number.

1137722309 is a deficient number, since it is larger than the sum of its proper divisors (1).

1137722309 is an equidigital number, since it uses as much as digits as its factorization.

1137722309 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 1137722309 is about 33730.1394749562. The cubic root of 1137722309 is about 1043.9477389639.

The spelling of 1137722309 in words is "one billion, one hundred thirty-seven million, seven hundred twenty-two thousand, three hundred nine".