1139419 has 4 divisors (see below), whose sum is σ = 1158160. Its totient is φ = 1120680.

The previous prime is 1139407. The next prime is 1139423. The reversal of 1139419 is 9149311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9149311 = 607 ⋅15073.

It is a cyclic number.

It is not a de Polignac number, because 1139419 - 2⁵ = 1139387 is a prime.

It is a super-2 number, since 2×1139419² = 2596551315122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1139519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9279 + ... + 9400.

It is an arithmetic number, because the mean of its divisors is an integer number (289540).

2^1139419 is an apocalyptic number.

1139419 is a deficient number, since it is larger than the sum of its proper divisors (18741).

1139419 is an equidigital number, since it uses as much as digits as its factorization.

1139419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18740.

The product of its digits is 972, while the sum is 28.

The square root of 1139419 is about 1067.4357123499. The cubic root of 1139419 is about 104.4466429378.

The spelling of 1139419 in words is "one million, one hundred thirty-nine thousand, four hundred nineteen".