181813114 has 32 divisors (see below), whose sum is σ = 328640256. Its totient is φ = 73751040.

The previous prime is 181813103. The next prime is 181813117. The reversal of 181813114 is 411318181.

It is not an unprimeable number, because it can be changed into a prime (181813117) 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, 28324 + ... + 34144.

It is an arithmetic number, because the mean of its divisors is an integer number (10270008).

Almost surely, 2^181813114 is an apocalyptic number.

181813114 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

181813114 is a deficient number, since it is larger than the sum of its proper divisors (146827142).

181813114 is a wasteful number, since it uses less digits than its factorization.

181813114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5950.

The product of its digits is 768, while the sum is 28.

The square root of 181813114 is about 13483.8093282277. The cubic root of 181813114 is about 566.5110713905.

The spelling of 181813114 in words is "one hundred eighty-one million, eight hundred thirteen thousand, one hundred fourteen".