140430033033421 has 4 divisors (see below), whose sum is σ = 140439683933344. Its totient is φ = 140420382133500.

The previous prime is 140430033033403. The next prime is 140430033033469. The reversal of 140430033033421 is 124330330034041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 140430033033421 - 2¹³ = 140430033025229 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 (140430033033491) 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, 4825428135 + ... + 4825457236.

It is an arithmetic number, because the mean of its divisors is an integer number (35109920983336).

Almost surely, 2^{140430033033421} is an apocalyptic number.

It is an amenable number.

140430033033421 is a deficient number, since it is larger than the sum of its proper divisors (9650899923).

140430033033421 is an equidigital number, since it uses as much as digits as its factorization.

140430033033421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9650899922.

The product of its (nonzero) digits is 31104, while the sum is 31.

Adding to 140430033033421 its reverse (124330330034041), we get a palindrome (264760363067462).

The spelling of 140430033033421 in words is "one hundred forty trillion, four hundred thirty billion, thirty-three million, thirty-three thousand, four hundred twenty-one".