180128034 has 24 divisors (see below), whose sum is σ = 392246400. Its totient is φ = 59739768.

The previous prime is 180128033. The next prime is 180128071. The reversal of 180128034 is 430821081.

It is a super-3 number, since 3×180128034³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 180127989 and 180128007.

It is not an unprimeable number, because it can be changed into a prime (180128033) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21562 + ... + 28725.

It is an arithmetic number, because the mean of its divisors is an integer number (16343600).

Almost surely, 2^180128034 is an apocalyptic number.

180128034 is an abundant number, since it is smaller than the sum of its proper divisors (212118366).

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

180128034 is a wasteful number, since it uses less digits than its factorization.

180128034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50494 (or 50491 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 180128034 is about 13421.1785622575. The cubic root of 180128034 is about 564.7554573856.

The spelling of 180128034 in words is "one hundred eighty million, one hundred twenty-eight thousand, thirty-four".