1138164 has 12 divisors (see below), whose sum is σ = 2655744. Its totient is φ = 379384.

The previous prime is 1138147. The next prime is 1138171. The reversal of 1138164 is 4618311.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47412 + ... + 47435.

It is an arithmetic number, because the mean of its divisors is an integer number (221312).

2^1138164 is an apocalyptic number.

It is an amenable number.

1138164 is an abundant number, since it is smaller than the sum of its proper divisors (1517580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1138164 is a wasteful number, since it uses less digits than its factorization.

1138164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94854 (or 94852 counting only the distinct ones).

The product of its digits is 576, while the sum is 24.

The square root of 1138164 is about 1066.8476929722. The cubic root of 1138164 is about 104.4082816642.

The spelling of 1138164 in words is "one million, one hundred thirty-eight thousand, one hundred sixty-four".