1137894227 has 4 divisors (see below), whose sum is σ = 1151603880. Its totient is φ = 1124184576.

The previous prime is 1137894223. The next prime is 1137894239. The reversal of 1137894227 is 7224987311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7224987311 = 2069 ⋅3492019.

It is a cyclic number.

It is not a de Polignac number, because 1137894227 - 2² = 1137894223 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1137894223) 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, 6854702 + ... + 6854867.

It is an arithmetic number, because the mean of its divisors is an integer number (287900970).

Almost surely, 2^1137894227 is an apocalyptic number.

1137894227 is a deficient number, since it is larger than the sum of its proper divisors (13709653).

1137894227 is an equidigital number, since it uses as much as digits as its factorization.

1137894227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13709652.

The product of its digits is 169344, while the sum is 44.

The square root of 1137894227 is about 33732.6878116761. The cubic root of 1137894227 is about 1044.0003189789. Note that the first 3 decimals are identical.

The spelling of 1137894227 in words is "one billion, one hundred thirty-seven million, eight hundred ninety-four thousand, two hundred twenty-seven".