33894104135 has 4 divisors (see below), whose sum is σ = 40672924968. Its totient is φ = 27115283304.

The previous prime is 33894104129. The next prime is 33894104143. The reversal of 33894104135 is 53140149833.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 33894104135 - 2⁶ = 33894104071 is a prime.

It is a super-2 number, since 2×33894104135² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33894104092 and 33894104101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3389410409 + ... + 3389410418.

It is an arithmetic number, because the mean of its divisors is an integer number (10168231242).

Almost surely, 2^33894104135 is an apocalyptic number.

33894104135 is a deficient number, since it is larger than the sum of its proper divisors (6778820833).

33894104135 is an equidigital number, since it uses as much as digits as its factorization.

33894104135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6778820832.

The product of its (nonzero) digits is 155520, while the sum is 41.

The spelling of 33894104135 in words is "thirty-three billion, eight hundred ninety-four million, one hundred four thousand, one hundred thirty-five".