1392054193 has 2 divisors, whose sum is σ = 1392054194. Its totient is φ = 1392054192.

The previous prime is 1392054149. The next prime is 1392054199. The reversal of 1392054193 is 3914502931.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1293984784 + 98069409 = 35972^2 + 9903^2 .

It is a cyclic number.

It is not a de Polignac number, because 1392054193 - 2²⁹ = 855183281 is a prime.

It is not a weakly prime, because it can be changed into another prime (1392054199) 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 as a sum of consecutive naturals, namely, 696027096 + 696027097.

It is an arithmetic number, because the mean of its divisors is an integer number (696027097).

Almost surely, 2^1392054193 is an apocalyptic number.

It is an amenable number.

1392054193 is a deficient number, since it is larger than the sum of its proper divisors (1).

1392054193 is an equidigital number, since it uses as much as digits as its factorization.

1392054193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 1392054193 is about 37310.2424677192. The cubic root of 1392054193 is about 1116.5685239456.

The spelling of 1392054193 in words is "one billion, three hundred ninety-two million, fifty-four thousand, one hundred ninety-three".