1137381844 has 24 divisors (see below), whose sum is σ = 2025960608. Its totient is φ = 558563040.

The previous prime is 1137381797. The next prime is 1137381877. The reversal of 1137381844 is 4481837311.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1137381797 and 1137381806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189067 + ... + 194989.

Almost surely, 2^1137381844 is an apocalyptic number.

It is an amenable number.

1137381844 is a deficient number, since it is larger than the sum of its proper divisors (888578764).

1137381844 is a wasteful number, since it uses less digits than its factorization.

1137381844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6775 (or 6773 counting only the distinct ones).

The product of its digits is 64512, while the sum is 40.

The square root of 1137381844 is about 33725.0922015048. The cubic root of 1137381844 is about 1043.8435942987.

The spelling of 1137381844 in words is "one billion, one hundred thirty-seven million, three hundred eighty-one thousand, eight hundred forty-four".