1380183056 has 20 divisors (see below), whose sum is σ = 3056119872. Its totient is φ = 591506976.

The previous prime is 1380183043. The next prime is 1380183061. The reversal of 1380183056 is 6503810831.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6161420 + ... + 6161643.

Almost surely, 2^1380183056 is an apocalyptic number.

1380183056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1380183056 is an abundant number, since it is smaller than the sum of its proper divisors (1675936816).

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

1380183056 is a wasteful number, since it uses less digits than its factorization.

1380183056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12323078 (or 12323072 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 1380183056 is about 37150.8150112484. The cubic root of 1380183056 is about 1113.3855070948.

Adding to 1380183056 its reverse (6503810831), we get a palindrome (7883993887).

The spelling of 1380183056 in words is "one billion, three hundred eighty million, one hundred eighty-three thousand, fifty-six".