181013382 has 48 divisors (see below), whose sum is σ = 453025872. Its totient is φ = 51624960.

The previous prime is 181013363. The next prime is 181013423. The reversal of 181013382 is 283310181.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23523 + ... + 30254.

It is an arithmetic number, because the mean of its divisors is an integer number (9438039).

Almost surely, 2^181013382 is an apocalyptic number.

181013382 is an abundant number, since it is smaller than the sum of its proper divisors (272012490).

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

181013382 is a wasteful number, since it uses less digits than its factorization.

181013382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53813 (or 53810 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 181013382 is about 13454.1213759948. The cubic root of 181013382 is about 565.6792228148.

The spelling of 181013382 in words is "one hundred eighty-one million, thirteen thousand, three hundred eighty-two".