1137694923 has 16 divisors (see below), whose sum is σ = 1687184800. Its totient is φ = 757693440.

The previous prime is 1137694919. The next prime is 1137694949. The reversal of 1137694923 is 3294967311.

It is not a de Polignac number, because 1137694923 - 2² = 1137694919 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1137694973) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6363 + ... + 48123.

It is an arithmetic number, because the mean of its divisors is an integer number (105449050).

Almost surely, 2^1137694923 is an apocalyptic number.

1137694923 is a deficient number, since it is larger than the sum of its proper divisors (549489877).

1137694923 is a wasteful number, since it uses less digits than its factorization.

1137694923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42779 (or 42773 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 1137694923 is about 33729.7335151050. The cubic root of 1137694923 is about 1043.9393626428.

The spelling of 1137694923 in words is "one billion, one hundred thirty-seven million, six hundred ninety-four thousand, nine hundred twenty-three".