180538034 has 16 divisors (see below), whose sum is σ = 276392088. Its totient is φ = 88413312.

The previous prime is 180538027. The next prime is 180538069. The reversal of 180538034 is 430835081.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 127757809 + 52780225 = 11303^2 + 7265^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83414 + ... + 85550.

Almost surely, 2^180538034 is an apocalyptic number.

180538034 is a deficient number, since it is larger than the sum of its proper divisors (95854054).

180538034 is a wasteful number, since it uses less digits than its factorization.

180538034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2989.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 180538034 is about 13436.4442468981. Note that the first 3 decimals coincide. The cubic root of 180538034 is about 565.1836237161.

The spelling of 180538034 in words is "one hundred eighty million, five hundred thirty-eight thousand, thirty-four".