1406725163 has 16 divisors (see below), whose sum is σ = 1532625120. Its totient is φ = 1285756416.

The previous prime is 1406725157. The next prime is 1406725171. The reversal of 1406725163 is 3615276041.

It is a cyclic number.

It is not a de Polignac number, because 1406725163 - 2⁴ = 1406725147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1406725183) 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, 387545 + ... + 391157.

It is an arithmetic number, because the mean of its divisors is an integer number (95789070).

Almost surely, 2^1406725163 is an apocalyptic number.

1406725163 is a deficient number, since it is larger than the sum of its proper divisors (125899957).

1406725163 is a wasteful number, since it uses less digits than its factorization.

1406725163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4286.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 1406725163 is about 37506.3349715751. The cubic root of 1406725163 is about 1120.4773589612.

The spelling of 1406725163 in words is "one billion, four hundred six million, seven hundred twenty-five thousand, one hundred sixty-three".