14155121413 has 8 divisors (see below), whose sum is σ = 14630295032. Its totient is φ = 13684821696.

The previous prime is 14155121411. The next prime is 14155121509. The reversal of 14155121413 is 31412155141.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8719450884 + 5435670529 = 93378^2 + 73727^2 .

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 14155121413 - 2¹ = 14155121411 is a prime.

It is a super-2 number, since 2×14155121413² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14155121411) 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, 1212570 + ... + 1224187.

It is an arithmetic number, because the mean of its divisors is an integer number (1828786879).

Almost surely, 2^14155121413 is an apocalyptic number.

It is an amenable number.

14155121413 is a deficient number, since it is larger than the sum of its proper divisors (475173619).

14155121413 is a wasteful number, since it uses less digits than its factorization.

14155121413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2436951.

The product of its digits is 2400, while the sum is 28.

Adding to 14155121413 its reverse (31412155141), we get a palindrome (45567276554).

The spelling of 14155121413 in words is "fourteen billion, one hundred fifty-five million, one hundred twenty-one thousand, four hundred thirteen".