1405361606 has 16 divisors (see below), whose sum is σ = 2303493120. Its totient is φ = 637742280.

The previous prime is 1405361603. The next prime is 1405361609. The reversal of 1405361606 is 6061635041.

It is an interprime number because it is at equal distance from previous prime (1405361603) and next prime (1405361609).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1405361603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39266 + ... + 65973.

It is an arithmetic number, because the mean of its divisors is an integer number (143968320).

Almost surely, 2^1405361606 is an apocalyptic number.

1405361606 is a deficient number, since it is larger than the sum of its proper divisors (898131514).

1405361606 is a wasteful number, since it uses less digits than its factorization.

1405361606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105859.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 1405361606 is about 37488.1528752751. The cubic root of 1405361606 is about 1120.1152108310.

Adding to 1405361606 its reverse (6061635041), we get a palindrome (7466996647).

The spelling of 1405361606 in words is "one billion, four hundred five million, three hundred sixty-one thousand, six hundred six".