1139164 has 24 divisors (see below), whose sum is σ = 2261840. Its totient is φ = 497664.

The previous prime is 1139147. The next prime is 1139191. The reversal of 1139164 is 4619311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 412 + ... + 1564.

2^1139164 is an apocalyptic number.

It is an amenable number.

1139164 is a deficient number, since it is larger than the sum of its proper divisors (1122676).

1139164 is a wasteful number, since it uses less digits than its factorization.

1139164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1189 (or 1187 counting only the distinct ones).

The product of its digits is 648, while the sum is 25.

The square root of 1139164 is about 1067.3162605339. The cubic root of 1139164 is about 104.4388506972.

The spelling of 1139164 in words is "one million, one hundred thirty-nine thousand, one hundred sixty-four".