1382181117 has 8 divisors (see below), whose sum is σ = 1877680224. Its totient is φ = 904068048.

The previous prime is 1382181103. The next prime is 1382181133. The reversal of 1382181117 is 7111812831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1382181117 - 2¹¹ = 1382179069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1382181817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4346323 + ... + 4346640.

It is an arithmetic number, because the mean of its divisors is an integer number (234710028).

Almost surely, 2^1382181117 is an apocalyptic number.

It is an amenable number.

1382181117 is a deficient number, since it is larger than the sum of its proper divisors (495499107).

1382181117 is an equidigital number, since it uses as much as digits as its factorization.

1382181117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8693019.

The product of its digits is 2688, while the sum is 33.

The square root of 1382181117 is about 37177.6964993798. The cubic root of 1382181117 is about 1113.9225226993.

Adding to 1382181117 its reverse (7111812831), we get a palindrome (8493993948).

The spelling of 1382181117 in words is "one billion, three hundred eighty-two million, one hundred eighty-one thousand, one hundred seventeen".