1139814 has 24 divisors (see below), whose sum is σ = 2660112. Its totient is φ = 350640.

The previous prime is 1139807. The next prime is 1139819. The reversal of 1139814 is 4189311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1139819) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2202 + ... + 2669.

It is an arithmetic number, because the mean of its divisors is an integer number (110838).

2^1139814 is an apocalyptic number.

1139814 is an abundant number, since it is smaller than the sum of its proper divisors (1520298).

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

1139814 is a wasteful number, since it uses less digits than its factorization.

1139814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4892 (or 4889 counting only the distinct ones).

The product of its digits is 864, while the sum is 27.

The square root of 1139814 is about 1067.6207191695. The cubic root of 1139814 is about 104.4587109764.

It can be divided in two parts, 1139 and 814, that added together give a triangular number (1953 = T₆₂).

The spelling of 1139814 in words is "one million, one hundred thirty-nine thousand, eight hundred fourteen".