1406143423225 has 36 divisors (see below), whose sum is σ = 1858963857984. Its totient is φ = 1053110718880.

The previous prime is 1406143423219. The next prime is 1406143423261. The reversal of 1406143423225 is 5223243416041.

It is not a de Polignac number, because 1406143423225 - 2³⁵ = 1371783684857 is a prime.

It is a Duffinian number.

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 35 ways as a sum of consecutive naturals, for example, 716652 + ... + 1823698.

It is an arithmetic number, because the mean of its divisors is an integer number (51637884944).

Almost surely, 2^{1406143423225} is an apocalyptic number.

It is an amenable number.

1406143423225 is a deficient number, since it is larger than the sum of its proper divisors (452820434759).

1406143423225 is a wasteful number, since it uses less digits than its factorization.

1406143423225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1107174 (or 1107122 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 37.

Adding to 1406143423225 its reverse (5223243416041), we get a palindrome (6629386839266).

The spelling of 1406143423225 in words is "one trillion, four hundred six billion, one hundred forty-three million, four hundred twenty-three thousand, two hundred twenty-five".