1405089530 has 16 divisors (see below), whose sum is σ = 2723712264. Its totient is φ = 518802240.

The previous prime is 1405089451. The next prime is 1405089551. The reversal of 1405089530 is 359805041.

1405089530 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 533009569 + 872079961 = 23087^2 + 29531^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5404061 + ... + 5404320.

Almost surely, 2^1405089530 is an apocalyptic number.

1405089530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1405089530 is a deficient number, since it is larger than the sum of its proper divisors (1318622734).

1405089530 is a wasteful number, since it uses less digits than its factorization.

1405089530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10808401.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 1405089530 is about 37484.5238731933. The cubic root of 1405089530 is about 1120.0429219308.

The spelling of 1405089530 in words is "one billion, four hundred five million, eighty-nine thousand, five hundred thirty".