13540044234 has 16 divisors (see below), whose sum is σ = 27451049472. Its totient is φ = 4451521248.

The previous prime is 13540044191. The next prime is 13540044239. The reversal of 13540044234 is 43244004531.

13540044234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×13540044234³ (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (13540044239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15456234 + ... + 15457109.

It is an arithmetic number, because the mean of its divisors is an integer number (1715690592).

Almost surely, 2^13540044234 is an apocalyptic number.

13540044234 is an abundant number, since it is smaller than the sum of its proper divisors (13911005238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13540044234 is a wasteful number, since it uses less digits than its factorization.

13540044234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30913421.

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 13540044234 its reverse (43244004531), we get a palindrome (56784048765).

The spelling of 13540044234 in words is "thirteen billion, five hundred forty million, forty-four thousand, two hundred thirty-four".