1399141 has 8 divisors (see below), whose sum is σ = 1484000. Its totient is φ = 1315440.

The previous prime is 1399133. The next prime is 1399183. The reversal of 1399141 is 1419931.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1399141 - 2³ = 1399133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1399121) 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 7 ways as a sum of consecutive naturals, for example, 3835 + ... + 4183.

It is an arithmetic number, because the mean of its divisors is an integer number (185500).

2^1399141 is an apocalyptic number.

It is an amenable number.

1399141 is a deficient number, since it is larger than the sum of its proper divisors (84859).

1399141 is a wasteful number, since it uses less digits than its factorization.

1399141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579.

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

The square root of 1399141 is about 1182.8529071698. The cubic root of 1399141 is about 111.8460096747.

It can be divided in two parts, 1399 and 141, that added together give a triangular number (1540 = T₅₅).

The spelling of 1399141 in words is "one million, three hundred ninety-nine thousand, one hundred forty-one".