1137070681 has 4 divisors (see below), whose sum is σ = 1137801600. Its totient is φ = 1136339764.

The previous prime is 1137070679. The next prime is 1137070709. The reversal of 1137070681 is 1860707311.

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 1137070681 - 2¹ = 1137070679 is a prime.

It is a super-2 number, since 2×1137070681² = 2585859467179607522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1137070661) 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, 363121 + ... + 366238.

It is an arithmetic number, because the mean of its divisors is an integer number (284450400).

Almost surely, 2^1137070681 is an apocalyptic number.

It is an amenable number.

1137070681 is a deficient number, since it is larger than the sum of its proper divisors (730919).

1137070681 is an equidigital number, since it uses as much as digits as its factorization.

1137070681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730918.

The product of its (nonzero) digits is 7056, while the sum is 34.

The square root of 1137070681 is about 33720.4786591175. The cubic root of 1137070681 is about 1043.7483946286.

Adding to 1137070681 its reverse (1860707311), we get a palindrome (2997777992).

The spelling of 1137070681 in words is "one billion, one hundred thirty-seven million, seventy thousand, six hundred eighty-one".