180881039 has 16 divisors (see below), whose sum is σ = 193529088. Its totient is φ = 168687552.

The previous prime is 180881027. The next prime is 180881059. The reversal of 180881039 is 930188081.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-180881039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 180880993 and 180881011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180881009) 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, 164339 + ... + 165435.

It is an arithmetic number, because the mean of its divisors is an integer number (12095568).

Almost surely, 2^180881039 is an apocalyptic number.

180881039 is a deficient number, since it is larger than the sum of its proper divisors (12648049).

180881039 is a wasteful number, since it uses less digits than its factorization.

180881039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1294.

The product of its (nonzero) digits is 13824, while the sum is 38.

The square root of 180881039 is about 13449.2021696456. The cubic root of 180881039 is about 565.5413288889.

The spelling of 180881039 in words is "one hundred eighty million, eight hundred eighty-one thousand, thirty-nine".