1341806385 has 32 divisors (see below), whose sum is σ = 2213971200. Its totient is φ = 693504000.

The previous prime is 1341806381. The next prime is 1341806393. The reversal of 1341806385 is 5836081431.

It is not a de Polignac number, because 1341806385 - 2² = 1341806381 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1341806381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85641 + ... + 100089.

It is an arithmetic number, because the mean of its divisors is an integer number (69186600).

Almost surely, 2^1341806385 is an apocalyptic number.

1341806385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1341806385 is a deficient number, since it is larger than the sum of its proper divisors (872164815).

1341806385 is a wasteful number, since it uses less digits than its factorization.

1341806385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14649.

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 1341806385 is about 36630.6754646976. The cubic root of 1341806385 is about 1102.9689450510.

The spelling of 1341806385 in words is "one billion, three hundred forty-one million, eight hundred six thousand, three hundred eighty-five".