1421730135233 has 8 divisors (see below), whose sum is σ = 1472260720680. Its totient is φ = 1371299910400.

The previous prime is 1421730135197. The next prime is 1421730135253. The reversal of 1421730135233 is 3325310371241.

It can be written as a sum of positive squares in 4 ways, for example, as 216176642704 + 1205553492529 = 464948^2 + 1097977^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1421730135233 - 2³² = 1417435167937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1421730135193 and 1421730135202.

It is not an unprimeable number, because it can be changed into a prime (1421730135253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25061318 + ... + 25117983.

It is an arithmetic number, because the mean of its divisors is an integer number (184032590085).

Almost surely, 2^{1421730135233} is an apocalyptic number.

It is an amenable number.

1421730135233 is a deficient number, since it is larger than the sum of its proper divisors (50530585447).

1421730135233 is an equidigital number, since it uses as much as digits as its factorization.

1421730135233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50180307.

The product of its (nonzero) digits is 45360, while the sum is 35.

The spelling of 1421730135233 in words is "one trillion, four hundred twenty-one billion, seven hundred thirty million, one hundred thirty-five thousand, two hundred thirty-three".