1399300073 has 16 divisors (see below), whose sum is σ = 1496154240. Its totient is φ = 1304115456.

The previous prime is 1399300051. The next prime is 1399300079. The reversal of 1399300073 is 3700039931.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1399300073 - 2¹⁴ = 1399283689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1399300079) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1755311 + ... + 1756107.

It is an arithmetic number, because the mean of its divisors is an integer number (93509640).

Almost surely, 2^1399300073 is an apocalyptic number.

It is an amenable number.

1399300073 is a deficient number, since it is larger than the sum of its proper divisors (96854167).

1399300073 is a wasteful number, since it uses less digits than its factorization.

1399300073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1696.

The product of its (nonzero) digits is 15309, while the sum is 35.

The square root of 1399300073 is about 37407.2195304596. The cubic root of 1399300073 is about 1118.5024822914.

The spelling of 1399300073 in words is "one billion, three hundred ninety-nine million, three hundred thousand, seventy-three".