1397483099 has 4 divisors (see below), whose sum is σ = 1420392720. Its totient is φ = 1374573480.

The previous prime is 1397483093. The next prime is 1397483111. The reversal of 1397483099 is 9903847931.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9903847931 = 13723 ⋅721697.

It is a cyclic number.

It is not a de Polignac number, because 1397483099 - 2⁴ = 1397483083 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1397483099.

It is not an unprimeable number, because it can be changed into a prime (1397483093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11454719 + ... + 11454840.

It is an arithmetic number, because the mean of its divisors is an integer number (355098180).

Almost surely, 2^1397483099 is an apocalyptic number.

1397483099 is a deficient number, since it is larger than the sum of its proper divisors (22909621).

1397483099 is an equidigital number, since it uses as much as digits as its factorization.

1397483099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22909620.

The product of its (nonzero) digits is 1469664, while the sum is 53.

The square root of 1397483099 is about 37382.9252333201. The cubic root of 1397483099 is about 1118.0181520089.

The spelling of 1397483099 in words is "one billion, three hundred ninety-seven million, four hundred eighty-three thousand, ninety-nine".