1341983385 has 24 divisors (see below), whose sum is σ = 2352247560. Its totient is φ = 707680512.

The previous prime is 1341983371. The next prime is 1341983387. The reversal of 1341983385 is 5833891431.

It can be written as a sum of positive squares in 4 ways, for example, as 27123264 + 1314860121 = 5208^2 + 36261^2 .

It is not a de Polignac number, because 1341983385 - 2⁵ = 1341983353 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1341983385.

It is not an unprimeable number, because it can be changed into a prime (1341983387) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 163534 + ... + 171543.

It is an arithmetic number, because the mean of its divisors is an integer number (98010315).

Almost surely, 2^1341983385 is an apocalyptic number.

1341983385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1341983385 is a deficient number, since it is larger than the sum of its proper divisors (1010264175).

1341983385 is a wasteful number, since it uses less digits than its factorization.

1341983385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335177 (or 335174 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 1341983385 is about 36633.0913928923. The cubic root of 1341983385 is about 1103.0174410988.

The spelling of 1341983385 in words is "one billion, three hundred forty-one million, nine hundred eighty-three thousand, three hundred eighty-five".