1399133 has 2 divisors, whose sum is σ = 1399134. Its totient is φ = 1399132.

The previous prime is 1399129. The next prime is 1399183. The reversal of 1399133 is 3319931.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1387684 + 11449 = 1178^2 + 107^2 .

It is an emirp because it is prime and its reverse (3319931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1399133 - 2² = 1399129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1399096 and 1399105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1399183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 699566 + 699567.

It is an arithmetic number, because the mean of its divisors is an integer number (699567).

2^1399133 is an apocalyptic number.

It is an amenable number.

1399133 is a deficient number, since it is larger than the sum of its proper divisors (1).

1399133 is an equidigital number, since it uses as much as digits as its factorization.

1399133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2187, while the sum is 29.

The square root of 1399133 is about 1182.8495255103. The cubic root of 1399133 is about 111.8457965034.

The spelling of 1399133 in words is "one million, three hundred ninety-nine thousand, one hundred thirty-three".