1393016109 has 4 divisors (see below), whose sum is σ = 1857354816. Its totient is φ = 928677404.

The previous prime is 1393016101. The next prime is 1393016113. The reversal of 1393016109 is 9016103931.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1393016109 - 2³ = 1393016101 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1393016109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1393016101) 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 3 ways as a sum of consecutive naturals, for example, 232169349 + ... + 232169354.

It is an arithmetic number, because the mean of its divisors is an integer number (464338704).

Almost surely, 2^1393016109 is an apocalyptic number.

It is an amenable number.

1393016109 is a deficient number, since it is larger than the sum of its proper divisors (464338707).

1393016109 is an equidigital number, since it uses as much as digits as its factorization.

1393016109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464338706.

The product of its (nonzero) digits is 4374, while the sum is 33.

The square root of 1393016109 is about 37323.1310181769. The cubic root of 1393016109 is about 1116.8256494317.

The spelling of 1393016109 in words is "one billion, three hundred ninety-three million, sixteen thousand, one hundred nine".