1137749227 has 8 divisors (see below), whose sum is σ = 1164983040. Its totient is φ = 1110826920.

The previous prime is 1137749161. The next prime is 1137749233. The reversal of 1137749227 is 7229477311.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1137749227 - 2⁷ = 1137749099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1137749237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70477 + ... + 85102.

It is an arithmetic number, because the mean of its divisors is an integer number (145622880).

Almost surely, 2^1137749227 is an apocalyptic number.

1137749227 is a deficient number, since it is larger than the sum of its proper divisors (27233813).

1137749227 is a wasteful number, since it uses less digits than its factorization.

1137749227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155753.

The product of its digits is 148176, while the sum is 43.

The square root of 1137749227 is about 33730.5384925886. The cubic root of 1137749227 is about 1043.9559720108.

The spelling of 1137749227 in words is "one billion, one hundred thirty-seven million, seven hundred forty-nine thousand, two hundred twenty-seven".