1394881073 has 8 divisors (see below), whose sum is σ = 1407442176. Its totient is φ = 1382364000.

The previous prime is 1394881043. The next prime is 1394881099. The reversal of 1394881073 is 3701884931.

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 1394881073 - 2¹⁰ = 1394880049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1394881043) 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, 54365 + ... + 75797.

It is an arithmetic number, because the mean of its divisors is an integer number (175930272).

Almost surely, 2^1394881073 is an apocalyptic number.

It is an amenable number.

1394881073 is a deficient number, since it is larger than the sum of its proper divisors (12561103).

1394881073 is a wasteful number, since it uses less digits than its factorization.

1394881073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22015.

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 1394881073 is about 37348.1066856139. The cubic root of 1394881073 is about 1117.3238276434.

The spelling of 1394881073 in words is "one billion, three hundred ninety-four million, eight hundred eighty-one thousand, seventy-three".