1137089218 has 4 divisors (see below), whose sum is σ = 1705633830. Its totient is φ = 568544608.

The previous prime is 1137089167. The next prime is 1137089221. The reversal of 1137089218 is 8129807311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1136161849 + 927369 = 33707^2 + 963^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 284272303 + ... + 284272306.

Almost surely, 2^1137089218 is an apocalyptic number.

1137089218 is a deficient number, since it is larger than the sum of its proper divisors (568544612).

1137089218 is an equidigital number, since it uses as much as digits as its factorization.

1137089218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568544611.

The product of its (nonzero) digits is 24192, while the sum is 40.

The square root of 1137089218 is about 33720.7535206436. The cubic root of 1137089218 is about 1043.7540664715.

The spelling of 1137089218 in words is "one billion, one hundred thirty-seven million, eighty-nine thousand, two hundred eighteen".