181814934 has 16 divisors (see below), whose sum is σ = 415577088. Its totient is φ = 51947112.

The previous prime is 181814921. The next prime is 181814939. The reversal of 181814934 is 439418181.

181814934 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 181814892 and 181814901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (181814939) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2164422 + ... + 2164505.

It is an arithmetic number, because the mean of its divisors is an integer number (25973568).

Almost surely, 2^181814934 is an apocalyptic number.

181814934 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

181814934 is an abundant number, since it is smaller than the sum of its proper divisors (233762154).

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

181814934 is a wasteful number, since it uses less digits than its factorization.

181814934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4328939.

The product of its digits is 27648, while the sum is 39.

The square root of 181814934 is about 13483.8768164056. The cubic root of 181814934 is about 566.5129616955.

The spelling of 181814934 in words is "one hundred eighty-one million, eight hundred fourteen thousand, nine hundred thirty-four".