1393459207 has 12 divisors (see below), whose sum is σ = 1673253696. Its totient is φ = 1155863520.

The previous prime is 1393459201. The next prime is 1393459219. The reversal of 1393459207 is 7029543931.

It is not a de Polignac number, because 1393459207 - 2⁷ = 1393459079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1393459201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 457158 + ... + 460195.

It is an arithmetic number, because the mean of its divisors is an integer number (139437808).

Almost surely, 2^1393459207 is an apocalyptic number.

1393459207 is a deficient number, since it is larger than the sum of its proper divisors (279794489).

1393459207 is an equidigital number, since it uses as much as digits as its factorization.

1393459207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917398 (or 917391 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 43.

The square root of 1393459207 is about 37329.0665165900. The cubic root of 1393459207 is about 1116.9440521666.

The spelling of 1393459207 in words is "one billion, three hundred ninety-three million, four hundred fifty-nine thousand, two hundred seven".