1405137163 has 4 divisors (see below), whose sum is σ = 1405213408. Its totient is φ = 1405060920.

The previous prime is 1405137133. The next prime is 1405137221. The reversal of 1405137163 is 3617315041.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3617315041 = 23 ⋅157274567.

It is a cyclic number.

It is not a de Polignac number, because 1405137163 - 2⁹ = 1405136651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1405137103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8653 + ... + 53713.

It is an arithmetic number, because the mean of its divisors is an integer number (351303352).

Almost surely, 2^1405137163 is an apocalyptic number.

1405137163 is a deficient number, since it is larger than the sum of its proper divisors (76245).

1405137163 is an equidigital number, since it uses as much as digits as its factorization.

1405137163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76244.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 1405137163 is about 37485.1592366899. The cubic root of 1405137163 is about 1120.0555783963.

The spelling of 1405137163 in words is "one billion, four hundred five million, one hundred thirty-seven thousand, one hundred sixty-three".