1131317189 has 8 divisors (see below), whose sum is σ = 1137960000. Its totient is φ = 1124684352.

The previous prime is 1131317167. The next prime is 1131317203. The reversal of 1131317189 is 9817131311.

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 1131317189 - 2⁸ = 1131316933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131317129) 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, 432317 + ... + 434925.

It is an arithmetic number, because the mean of its divisors is an integer number (142245000).

Almost surely, 2^1131317189 is an apocalyptic number.

It is an amenable number.

1131317189 is a deficient number, since it is larger than the sum of its proper divisors (6642811).

1131317189 is a wasteful number, since it uses less digits than its factorization.

1131317189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4987.

The product of its digits is 4536, while the sum is 35.

The square root of 1131317189 is about 33635.0589266616. The cubic root of 1131317189 is about 1041.9849876202.

The spelling of 1131317189 in words is "one billion, one hundred thirty-one million, three hundred seventeen thousand, one hundred eighty-nine".