1319139 has 8 divisors (see below), whose sum is σ = 1954320. Its totient is φ = 879408.

The previous prime is 1319137. The next prime is 1319147. The reversal of 1319139 is 9319131.

It is not a de Polignac number, because 1319139 - 2¹ = 1319137 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 48857 = 1319139 / (1 + 3 + 1 + 9 + 1 + 3 + 9).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (1319137) 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, 24402 + ... + 24455.

It is an arithmetic number, because the mean of its divisors is an integer number (244290).

2^1319139 is an apocalyptic number.

1319139 is a deficient number, since it is larger than the sum of its proper divisors (635181).

1319139 is an equidigital number, since it uses as much as digits as its factorization.

1319139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48866 (or 48860 counting only the distinct ones).

The product of its digits is 729, while the sum is 27.

The square root of 1319139 is about 1148.5377660312. The cubic root of 1319139 is about 109.6722752629.

The spelling of 1319139 in words is "one million, three hundred nineteen thousand, one hundred thirty-nine".