13154212404340 has 144 divisors (see below), whose sum is σ = 32425908907392. Its totient is φ = 4388610304512.

The previous prime is 13154212404337. The next prime is 13154212404371. The reversal of 13154212404340 is 4340421245131.

It is a junction number, because it is equal to n+sod(n) for n = 13154212404296 and 13154212404305.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 435598122 + ... + 435628318.

It is an arithmetic number, because the mean of its divisors is an integer number (225179922968).

Almost surely, 2^{13154212404340} is an apocalyptic number.

13154212404340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13154212404340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16212954453696).

13154212404340 is an abundant number, since it is smaller than the sum of its proper divisors (19271696503052).

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

13154212404340 is a wasteful number, since it uses less digits than its factorization.

13154212404340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30794 (or 30523 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 34.

Adding to 13154212404340 its reverse (4340421245131), we get a palindrome (17494633649471).

The spelling of 13154212404340 in words is "thirteen trillion, one hundred fifty-four billion, two hundred twelve million, four hundred four thousand, three hundred forty".