1382855112 has 128 divisors (see below), whose sum is σ = 4064256000. Its totient is φ = 434445120.

The previous prime is 1382855087. The next prime is 1382855119. The reversal of 1382855112 is 2115582831.

1382855112 is a `hidden beast` number, since 13 + 82 + 8 + 551 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1382855119) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 914437 + ... + 915947.

It is an arithmetic number, because the mean of its divisors is an integer number (31752000).

Almost surely, 2^1382855112 is an apocalyptic number.

1382855112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1382855112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2032128000).

1382855112 is an abundant number, since it is smaller than the sum of its proper divisors (2681400888).

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

1382855112 is a wasteful number, since it uses less digits than its factorization.

1382855112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1768 (or 1758 counting only the distinct ones).

The product of its digits is 19200, while the sum is 36.

The square root of 1382855112 is about 37186.7599018791. The cubic root of 1382855112 is about 1114.1035545000.

The spelling of 1382855112 in words is "one billion, three hundred eighty-two million, eight hundred fifty-five thousand, one hundred twelve".