33681134 has 4 divisors (see below), whose sum is σ = 50521704. Its totient is φ = 16840566.

The previous prime is 33681133. The next prime is 33681143. The reversal of 33681134 is 43118633.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43118633 = 577 ⋅74729.

It is a super-2 number, since 2×33681134² = 2268837575051912, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33681097 and 33681106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33681133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8420282 + ... + 8420285.

It is an arithmetic number, because the mean of its divisors is an integer number (12630426).

Almost surely, 2^33681134 is an apocalyptic number.

33681134 is a deficient number, since it is larger than the sum of its proper divisors (16840570).

33681134 is a wasteful number, since it uses less digits than its factorization.

33681134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16840569.

The product of its digits is 5184, while the sum is 29.

The square root of 33681134 is about 5803.5449511484. The cubic root of 33681134 is about 322.9452504276.

Adding to 33681134 its reverse (43118633), we get a palindrome (76799767).

It can be divided in two parts, 33 and 681134, that multiplied together give a palindrome (22477422).

The spelling of 33681134 in words is "thirty-three million, six hundred eighty-one thousand, one hundred thirty-four".