1137986613 has 12 divisors (see below), whose sum is σ = 1740450348. Its totient is φ = 714030720.

The previous prime is 1137986609. The next prime is 1137986621. The reversal of 1137986613 is 3166897311.

It can be written as a sum of positive squares in 2 ways, for example, as 625100004 + 512886609 = 25002^2 + 22647^2 .

It is not a de Polignac number, because 1137986613 - 2² = 1137986609 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1137986683) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3718758 + ... + 3719063.

It is an arithmetic number, because the mean of its divisors is an integer number (145037529).

Almost surely, 2^1137986613 is an apocalyptic number.

It is an amenable number.

1137986613 is a deficient number, since it is larger than the sum of its proper divisors (602463735).

1137986613 is a wasteful number, since it uses less digits than its factorization.

1137986613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7437844 (or 7437841 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 1137986613 is about 33734.0571677941. The cubic root of 1137986613 is about 1044.0285724553.

The spelling of 1137986613 in words is "one billion, one hundred thirty-seven million, nine hundred eighty-six thousand, six hundred thirteen".