385073812135 has 16 divisors (see below), whose sum is σ = 478795024800. Its totient is φ = 296955743616.

The previous prime is 385073812133. The next prime is 385073812141. The reversal of 385073812135 is 531218370583.

It is a cyclic number.

It is not a de Polignac number, because 385073812135 - 2¹ = 385073812133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385073812133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2055384 + ... + 2234893.

It is an arithmetic number, because the mean of its divisors is an integer number (29924689050).

Almost surely, 2^385073812135 is an apocalyptic number.

385073812135 is a deficient number, since it is larger than the sum of its proper divisors (93721212665).

385073812135 is a wasteful number, since it uses less digits than its factorization.

385073812135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4290930.

The product of its (nonzero) digits is 604800, while the sum is 46.

The spelling of 385073812135 in words is "three hundred eighty-five billion, seventy-three million, eight hundred twelve thousand, one hundred thirty-five".