1137269681 has 4 divisors (see below), whose sum is σ = 1197126000. Its totient is φ = 1077413364.

The previous prime is 1137269671. The next prime is 1137269687. The reversal of 1137269681 is 1869627311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1137269681 - 2¹⁴ = 1137253297 is a prime.

It is a super-2 number, since 2×1137269681² = 2586764654643683522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1137269687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29928131 + ... + 29928168.

It is an arithmetic number, because the mean of its divisors is an integer number (299281500).

Almost surely, 2^1137269681 is an apocalyptic number.

It is an amenable number.

1137269681 is a deficient number, since it is larger than the sum of its proper divisors (59856319).

1137269681 is an equidigital number, since it uses as much as digits as its factorization.

1137269681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59856318.

The product of its digits is 108864, while the sum is 44.

The square root of 1137269681 is about 33723.4292591960. The cubic root of 1137269681 is about 1043.8092802646.

The spelling of 1137269681 in words is "one billion, one hundred thirty-seven million, two hundred sixty-nine thousand, six hundred eighty-one".