33894104136 has 32 divisors (see below), whose sum is σ = 85011289440. Its totient is φ = 11261230848.

The previous prime is 33894104129. The next prime is 33894104143. The reversal of 33894104136 is 63140149833.

It is an interprime number because it is at equal distance from previous prime (33894104129) and next prime (33894104143).

It is a super-2 number, since 2×33894104136² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2292721 + ... + 2307456.

It is an arithmetic number, because the mean of its divisors is an integer number (2656602795).

Almost surely, 2^33894104136 is an apocalyptic number.

It is an amenable number.

33894104136 is an abundant number, since it is smaller than the sum of its proper divisors (51117185304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33894104136 is a wasteful number, since it uses less digits than its factorization.

33894104136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4600493 (or 4600489 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 42.

The spelling of 33894104136 in words is "thirty-three billion, eight hundred ninety-four million, one hundred four thousand, one hundred thirty-six".