1139469 has 8 divisors (see below), whose sum is σ = 1542240. Its totient is φ = 748176.

The previous prime is 1139461. The next prime is 1139471. The reversal of 1139469 is 9649311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1139469 - 2³ = 1139461 is a prime.

It is a super-2 number, since 2×1139469² = 2596779203922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1139461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2634 + ... + 3035.

It is an arithmetic number, because the mean of its divisors is an integer number (192780).

2^1139469 is an apocalyptic number.

It is an amenable number.

1139469 is a deficient number, since it is larger than the sum of its proper divisors (402771).

1139469 is an equidigital number, since it uses as much as digits as its factorization.

1139469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5739.

The product of its digits is 5832, while the sum is 33.

The square root of 1139469 is about 1067.4591327072. The cubic root of 1139469 is about 104.4481706918.

The spelling of 1139469 in words is "one million, one hundred thirty-nine thousand, four hundred sixty-nine".