1421407474133 has 4 divisors (see below), whose sum is σ = 1422666472140. Its totient is φ = 1420148476128.

The previous prime is 1421407474087. The next prime is 1421407474141. The reversal of 1421407474133 is 3314747041241.

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

It can be written as a sum of positive squares in 2 ways, for example, as 759473904484 + 661933569649 = 871478^2 + 813593^2 .

It is a cyclic number.

It is not a de Polignac number, because 1421407474133 - 2¹² = 1421407470037 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 (1421407476133) 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, 629497310 + ... + 629499567.

It is an arithmetic number, because the mean of its divisors is an integer number (355666618035).

Almost surely, 2^{1421407474133} is an apocalyptic number.

It is an amenable number.

1421407474133 is a deficient number, since it is larger than the sum of its proper divisors (1258998007).

1421407474133 is a wasteful number, since it uses less digits than its factorization.

1421407474133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1258998006.

The product of its (nonzero) digits is 225792, while the sum is 41.

The spelling of 1421407474133 in words is "one trillion, four hundred twenty-one billion, four hundred seven million, four hundred seventy-four thousand, one hundred thirty-three".