393152140322 has 6 divisors (see below), whose sum is σ = 589729540593. Its totient is φ = 196575626792.

The previous prime is 393152140253. The next prime is 393152140343. The reversal of 393152140322 is 223041251393.

It can be written as a sum of positive squares in 2 ways, for example, as 393039971041 + 112169281 = 626929^2 + 10591^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=443369.

It is a Duffinian number.

It is an unprimeable number.

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 in 2 ways as a sum of consecutive naturals, for example, 665054 + ... + 1108422.

Almost surely, 2^393152140322 is an apocalyptic number.

393152140322 is a deficient number, since it is larger than the sum of its proper divisors (196577400271).

393152140322 is an frugal number, since it uses more digits than its factorization.

393152140322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886740 (or 443371 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 35.

The spelling of 393152140322 in words is "three hundred ninety-three billion, one hundred fifty-two million, one hundred forty thousand, three hundred twenty-two".