13442034121 has 4 divisors (see below), whose sum is σ = 13524500752. Its totient is φ = 13359567492.

The previous prime is 13442034119. The next prime is 13442034127. The reversal of 13442034121 is 12143024431.

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 13442034121 - 2¹ = 13442034119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13442034127) 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, 41233071 + ... + 41233396.

It is an arithmetic number, because the mean of its divisors is an integer number (3381125188).

Almost surely, 2^13442034121 is an apocalyptic number.

It is an amenable number.

13442034121 is a deficient number, since it is larger than the sum of its proper divisors (82466631).

13442034121 is an equidigital number, since it uses as much as digits as its factorization.

13442034121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82466630.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 13442034121 its reverse (12143024431), we get a palindrome (25585058552).

The spelling of 13442034121 in words is "thirteen billion, four hundred forty-two million, thirty-four thousand, one hundred twenty-one".