181379 has 6 divisors (see below), whose sum is σ = 199500. Its totient is φ = 164780.

The previous prime is 181361. The next prime is 181387. The reversal of 181379 is 973181.

It is not a de Polignac number, because 181379 - 2⁸ = 181123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (181399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 629 + ... + 870.

It is an arithmetic number, because the mean of its divisors is an integer number (33250).

2¹⁸¹³⁷⁹ is an apocalyptic number.

181379 is a deficient number, since it is larger than the sum of its proper divisors (18121).

181379 is a wasteful number, since it uses less digits than its factorization.

181379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1521 (or 1510 counting only the distinct ones).

The product of its digits is 1512, while the sum is 29.

The square root of 181379 is about 425.8861350173. The cubic root of 181379 is about 56.6059827111.

The spelling of 181379 in words is "one hundred eighty-one thousand, three hundred seventy-nine".