14540235121 has 8 divisors (see below), whose sum is σ = 14896751688. Its totient is φ = 14183808000.

The previous prime is 14540235113. The next prime is 14540235131. The reversal of 14540235121 is 12153204541.

It can be written as a sum of positive squares in 4 ways, for example, as 1407075121 + 13133160000 = 37511^2 + 114600^2 .

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 14540235121 - 2³ = 14540235113 is a prime.

It is a super-2 number, since 2×14540235121² (a number of 21 digits) contains 22 as substring.

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 14540235121.

It is not an unprimeable number, because it can be changed into a prime (14540235131) 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, 405981 + ... + 440341.

It is an arithmetic number, because the mean of its divisors is an integer number (1862093961).

Almost surely, 2^14540235121 is an apocalyptic number.

It is an amenable number.

14540235121 is a deficient number, since it is larger than the sum of its proper divisors (356516567).

14540235121 is a wasteful number, since it uses less digits than its factorization.

14540235121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44723.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 14540235121 its reverse (12153204541), we get a palindrome (26693439662).

The spelling of 14540235121 in words is "fourteen billion, five hundred forty million, two hundred thirty-five thousand, one hundred twenty-one".