1421404333133 has 4 divisors (see below), whose sum is σ = 1422007392060. Its totient is φ = 1420801274208.

The previous prime is 1421404333123. The next prime is 1421404333147. The reversal of 1421404333133 is 3313334041241.

It is a happy number.

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 79692160804 + 1341712172329 = 282298^2 + 1158323^2 .

It is a cyclic number.

It is not a de Polignac number, because 1421404333133 - 2³⁸ = 1146526426189 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1421404333133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421404333123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 301525928 + ... + 301530641.

It is an arithmetic number, because the mean of its divisors is an integer number (355501848015).

Almost surely, 2^{1421404333133} is an apocalyptic number.

It is an amenable number.

1421404333133 is a deficient number, since it is larger than the sum of its proper divisors (603058927).

1421404333133 is an equidigital number, since it uses as much as digits as its factorization.

1421404333133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603058926.

The product of its (nonzero) digits is 31104, while the sum is 32.

Adding to 1421404333133 its reverse (3313334041241), we get a palindrome (4734738374374).

The spelling of 1421404333133 in words is "one trillion, four hundred twenty-one billion, four hundred four million, three hundred thirty-three thousand, one hundred thirty-three".