1393334147 has 4 divisors (see below), whose sum is σ = 1416950040. Its totient is φ = 1369718256.

The previous prime is 1393334141. The next prime is 1393334171. The reversal of 1393334147 is 7414333931.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7414333931 = 12451 ⋅595481.

It is a cyclic number.

It is not a de Polignac number, because 1393334147 - 2⁶ = 1393334083 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 1393334147.

It is not an unprimeable number, because it can be changed into a prime (1393334141) 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, 11807858 + ... + 11807975.

It is an arithmetic number, because the mean of its divisors is an integer number (354237510).

Almost surely, 2^1393334147 is an apocalyptic number.

1393334147 is a deficient number, since it is larger than the sum of its proper divisors (23615893).

1393334147 is an equidigital number, since it uses as much as digits as its factorization.

1393334147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23615892.

The product of its digits is 81648, while the sum is 38.

The square root of 1393334147 is about 37327.3913768428. The cubic root of 1393334147 is about 1116.9106367159.

The spelling of 1393334147 in words is "one billion, three hundred ninety-three million, three hundred thirty-four thousand, one hundred forty-seven".