1137574681 has 2 divisors, whose sum is σ = 1137574682. Its totient is φ = 1137574680.

The previous prime is 1137574679. The next prime is 1137574721. The reversal of 1137574681 is 1864757311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 978688656 + 158886025 = 31284^2 + 12605^2 .

It is an emirp because it is prime and its reverse (1864757311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1137574681 - 2¹ = 1137574679 is a prime.

It is a super-2 number, since 2×1137574681² = 2588152309704503522, which contains 22 as substring.

Together with 1137574679, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1137574661) 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, 568787340 + 568787341.

It is an arithmetic number, because the mean of its divisors is an integer number (568787341).

Almost surely, 2^1137574681 is an apocalyptic number.

It is an amenable number.

1137574681 is a deficient number, since it is larger than the sum of its proper divisors (1).

1137574681 is an equidigital number, since it uses as much as digits as its factorization.

1137574681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 141120, while the sum is 43.

The square root of 1137574681 is about 33727.9510347130. The cubic root of 1137574681 is about 1043.9025836619.

The spelling of 1137574681 in words is "one billion, one hundred thirty-seven million, five hundred seventy-four thousand, six hundred eighty-one".