1494146399 has 2 divisors, whose sum is σ = 1494146400. Its totient is φ = 1494146398.

The previous prime is 1494146393. The next prime is 1494146441. The reversal of 1494146399 is 9936414941.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1494146399 - 2²⁸ = 1225710943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1494146393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 747073199 + 747073200.

It is an arithmetic number, because the mean of its divisors is an integer number (747073200).

Almost surely, 2^1494146399 is an apocalyptic number.

1494146399 is a deficient number, since it is larger than the sum of its proper divisors (1).

1494146399 is an equidigital number, since it uses as much as digits as its factorization.

1494146399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 839808, while the sum is 50.

The square root of 1494146399 is about 38654.1899281307. The cubic root of 1494146399 is about 1143.2232568525.

The spelling of 1494146399 in words is "one billion, four hundred ninety-four million, one hundred forty-six thousand, three hundred ninety-nine".