1405341634 has 16 divisors (see below), whose sum is σ = 2115744696. Its totient is φ = 700099200.

The previous prime is 1405341629. The next prime is 1405341671. The reversal of 1405341634 is 4361435041.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1289025409 + 116316225 = 35903^2 + 10785^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1405341596 and 1405341605.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 948174 + ... + 949654.

Almost surely, 2^1405341634 is an apocalyptic number.

1405341634 is a deficient number, since it is larger than the sum of its proper divisors (710403062).

1405341634 is a wasteful number, since it uses less digits than its factorization.

1405341634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2901.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 1405341634 is about 37487.8864968405. The cubic root of 1405341634 is about 1120.1099047122.

Adding to 1405341634 its reverse (4361435041), we get a palindrome (5766776675).

The spelling of 1405341634 in words is "one billion, four hundred five million, three hundred forty-one thousand, six hundred thirty-four".