180140347 has 24 divisors (see below), whose sum is σ = 204859872. Its totient is φ = 157977600.

The previous prime is 180140339. The next prime is 180140351. The reversal of 180140347 is 743041081.

It is not a de Polignac number, because 180140347 - 2³ = 180140339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (180140357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 272197 + ... + 272857.

It is an arithmetic number, because the mean of its divisors is an integer number (8535828).

Almost surely, 2^180140347 is an apocalyptic number.

180140347 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

180140347 is a deficient number, since it is larger than the sum of its proper divisors (24719525).

180140347 is a wasteful number, since it uses less digits than its factorization.

180140347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759 (or 742 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 180140347 is about 13421.6372697223. The cubic root of 180140347 is about 564.7683254095.

The spelling of 180140347 in words is "one hundred eighty million, one hundred forty thousand, three hundred forty-seven".