1394985311 has 8 divisors (see below), whose sum is σ = 1404025920. Its totient is φ = 1385973792.

The previous prime is 1394985299. The next prime is 1394985329. The reversal of 1394985311 is 1135894931.

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 1394985311 - 2²² = 1390791007 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 (1394985611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93386 + ... + 107288.

It is an arithmetic number, because the mean of its divisors is an integer number (175503240).

Almost surely, 2^1394985311 is an apocalyptic number.

1394985311 is a deficient number, since it is larger than the sum of its proper divisors (9040609).

1394985311 is a wasteful number, since it uses less digits than its factorization.

1394985311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14545.

The product of its digits is 116640, while the sum is 44.

The square root of 1394985311 is about 37349.5021519698. The cubic root of 1394985311 is about 1117.3516590961.

The spelling of 1394985311 in words is "one billion, three hundred ninety-four million, nine hundred eighty-five thousand, three hundred eleven".