1139276 has 6 divisors (see below), whose sum is σ = 1993740. Its totient is φ = 569636.

The previous prime is 1139273. The next prime is 1139287. The reversal of 1139276 is 6729311.

It is not an unprimeable number, because it can be changed into a prime (1139273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142406 + ... + 142413.

It is an arithmetic number, because the mean of its divisors is an integer number (332290).

2^1139276 is an apocalyptic number.

It is an amenable number.

1139276 is a deficient number, since it is larger than the sum of its proper divisors (854464).

1139276 is a wasteful number, since it uses less digits than its factorization.

1139276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284823 (or 284821 counting only the distinct ones).

The product of its digits is 2268, while the sum is 29.

The square root of 1139276 is about 1067.3687272916. The cubic root of 1139276 is about 104.4422733147.

The spelling of 1139276 in words is "one million, one hundred thirty-nine thousand, two hundred seventy-six".