1405664713 has 16 divisors (see below), whose sum is σ = 1521676800. Its totient is φ = 1295360640.

The previous prime is 1405664699. The next prime is 1405664717. The reversal of 1405664713 is 3174665041.

It is a cyclic number.

It is not a de Polignac number, because 1405664713 - 2⁹ = 1405664201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1405664717) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 54918 + ... + 76336.

It is an arithmetic number, because the mean of its divisors is an integer number (95104800).

Almost surely, 2^1405664713 is an apocalyptic number.

It is an amenable number.

1405664713 is a deficient number, since it is larger than the sum of its proper divisors (116012087).

1405664713 is a wasteful number, since it uses less digits than its factorization.

1405664713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21552.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 1405664713 is about 37492.1953611682. The cubic root of 1405664713 is about 1120.1957334889.

The spelling of 1405664713 in words is "one billion, four hundred five million, six hundred sixty-four thousand, seven hundred thirteen".