1138264 has 16 divisors (see below), whose sum is σ = 2146320. Its totient is φ = 565920.

The previous prime is 1138237. The next prime is 1138273. The reversal of 1138264 is 4628311.

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, 1834 + ... + 2374.

It is an arithmetic number, because the mean of its divisors is an integer number (134145).

2^1138264 is an apocalyptic number.

It is an amenable number.

1138264 is a deficient number, since it is larger than the sum of its proper divisors (1008056).

1138264 is a wasteful number, since it uses less digits than its factorization.

1138264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810 (or 806 counting only the distinct ones).

The product of its digits is 1152, while the sum is 25.

The square root of 1138264 is about 1066.8945589888. The cubic root of 1138264 is about 104.4113393730.

The spelling of 1138264 in words is "one million, one hundred thirty-eight thousand, two hundred sixty-four".