1406944140583 has 4 divisors (see below), whose sum is σ = 1406953938880. Its totient is φ = 1406934342288.

The previous prime is 1406944140541. The next prime is 1406944140601. The reversal of 1406944140583 is 3850414496041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1406944140583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1406944140523) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4680510 + ... + 4972027.

It is an arithmetic number, because the mean of its divisors is an integer number (351738484720).

Almost surely, 2^{1406944140583} is an apocalyptic number.

1406944140583 is a deficient number, since it is larger than the sum of its proper divisors (9798297).

1406944140583 is an equidigital number, since it uses as much as digits as its factorization.

1406944140583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9798296.

The product of its (nonzero) digits is 1658880, while the sum is 49.

The spelling of 1406944140583 in words is "one trillion, four hundred six billion, nine hundred forty-four million, one hundred forty thousand, five hundred eighty-three".