1393783147 has 2 divisors, whose sum is σ = 1393783148. Its totient is φ = 1393783146.

The previous prime is 1393783117. The next prime is 1393783249. The reversal of 1393783147 is 7413873931.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1393783147 is a prime.

It is a super-2 number, since 2×1393783147² = 3885262921722447218, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1393783097 and 1393783106.

It is not a weakly prime, because it can be changed into another prime (1393783117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 696891573 + 696891574.

It is an arithmetic number, because the mean of its divisors is an integer number (696891574).

Almost surely, 2^1393783147 is an apocalyptic number.

1393783147 is a deficient number, since it is larger than the sum of its proper divisors (1).

1393783147 is an equidigital number, since it uses as much as digits as its factorization.

1393783147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 381024, while the sum is 46.

The square root of 1393783147 is about 37333.4052424903. The cubic root of 1393783147 is about 1117.0305981332.

The spelling of 1393783147 in words is "one billion, three hundred ninety-three million, seven hundred eighty-three thousand, one hundred forty-seven".