180013479 has 24 divisors (see below), whose sum is σ = 254110080. Its totient is φ = 113133504.

The previous prime is 180013453. The next prime is 180013481. The reversal of 180013479 is 974310081.

It is not a de Polignac number, because 180013479 - 2¹² = 180009383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180013979) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1294992 + ... + 1295130.

It is an arithmetic number, because the mean of its divisors is an integer number (10587920).

Almost surely, 2^180013479 is an apocalyptic number.

180013479 is a deficient number, since it is larger than the sum of its proper divisors (74096601).

180013479 is a wasteful number, since it uses less digits than its factorization.

180013479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439 (or 302 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 180013479 is about 13416.9101882661. The cubic root of 180013479 is about 564.6357105598.

The spelling of 180013479 in words is "one hundred eighty million, thirteen thousand, four hundred seventy-nine".