394342135755 has 16 divisors (see below), whose sum is σ = 633292953120. Its totient is φ = 209533960448.

The previous prime is 394342135697. The next prime is 394342135799. The reversal of 394342135755 is 557531243493.

It is a cyclic number.

It is not a de Polignac number, because 394342135755 - 2³⁵ = 359982397387 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 394342135698 and 394342135707.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48861162 + ... + 48869231.

It is an arithmetic number, because the mean of its divisors is an integer number (39580809570).

Almost surely, 2^394342135755 is an apocalyptic number.

394342135755 is a deficient number, since it is larger than the sum of its proper divisors (238950817365).

394342135755 is a wasteful number, since it uses less digits than its factorization.

394342135755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97730670.

The product of its digits is 6804000, while the sum is 51.

The spelling of 394342135755 in words is "three hundred ninety-four billion, three hundred forty-two million, one hundred thirty-five thousand, seven hundred fifty-five".