1383170481 has 135 divisors (see below), whose sum is σ = 2678139737. Its totient is φ = 687289680.

The previous prime is 1383170479. The next prime is 1383170543. The reversal of 1383170481 is 1840713831.

The square root of 1383170481 is 37191.

It is a perfect power (a square), and thus also a powerful number.

1383170481 is a `hidden beast` number, since 1 + 3 + 8 + 3 + 170 + 481 = 666.

It is not a de Polignac number, because 1383170481 - 2¹ = 1383170479 is a prime.

It is a super-2 number, since 2×1383170481² = 3826321159019542722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1383170401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 60137836 + ... + 60137858.

Almost surely, 2^1383170481 is an apocalyptic number.

1383170481 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1383170481 is the 37191-st square number.

1383170481 is the 18596-th centered octagonal number.

It is an amenable number.

1383170481 is a deficient number, since it is larger than the sum of its proper divisors (1294969256).

1383170481 is an equidigital number, since it uses as much as digits as its factorization.

1383170481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102 (or 44 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The cubic root of 1383170481 is about 1114.1882408890.

Multiplying 1383170481 by its sum of digits (36), we get a square (49794137316 = 223146²).

The spelling of 1383170481 in words is "one billion, three hundred eighty-three million, one hundred seventy thousand, four hundred eighty-one".