1380181117 has 8 divisors (see below), whose sum is σ = 1595073600. Its totient is φ = 1169719584.

The previous prime is 1380181081. The next prime is 1380181133. The reversal of 1380181117 is 7111810831.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1380181117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1380121117) 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, 1107067 + ... + 1108312.

It is an arithmetic number, because the mean of its divisors is an integer number (199384200).

Almost surely, 2^1380181117 is an apocalyptic number.

It is an amenable number.

1380181117 is a deficient number, since it is larger than the sum of its proper divisors (214892483).

1380181117 is an equidigital number, since it uses as much as digits as its factorization.

1380181117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2215475.

The product of its (nonzero) digits is 1344, while the sum is 31.

The square root of 1380181117 is about 37150.7889149073. The cubic root of 1380181117 is about 1113.3849857012.

Adding to 1380181117 its reverse (7111810831), we get a palindrome (8491991948).

The spelling of 1380181117 in words is "one billion, three hundred eighty million, one hundred eighty-one thousand, one hundred seventeen".