1137784273 has 2 divisors, whose sum is σ = 1137784274. Its totient is φ = 1137784272.

The previous prime is 1137784267. The next prime is 1137784363. The reversal of 1137784273 is 3724877311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1136229264 + 1555009 = 33708^2 + 1247^2 .

It is a cyclic number.

It is not a de Polignac number, because 1137784273 - 2⁹ = 1137783761 is a prime.

It is a super-2 number, since 2×1137784273² = 2589106103772277058, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1137784573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 568892136 + 568892137.

It is an arithmetic number, because the mean of its divisors is an integer number (568892137).

Almost surely, 2^1137784273 is an apocalyptic number.

It is an amenable number.

1137784273 is a deficient number, since it is larger than the sum of its proper divisors (1).

1137784273 is an equidigital number, since it uses as much as digits as its factorization.

1137784273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 197568, while the sum is 43.

The square root of 1137784273 is about 33731.0579881509. The cubic root of 1137784273 is about 1043.9666908654.

The spelling of 1137784273 in words is "one billion, one hundred thirty-seven million, seven hundred eighty-four thousand, two hundred seventy-three".