13145421301532 has 96 divisors (see below), whose sum is σ = 26981579520000. Its totient is φ = 5548695070464.

The previous prime is 13145421301531. The next prime is 13145421301613. The reversal of 13145421301532 is 23510312454131.

13145421301532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 13145421301492 and 13145421301501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13145421301531) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 194198069 + ... + 194265747.

It is an arithmetic number, because the mean of its divisors is an integer number (281058120000).

Almost surely, 2^{13145421301532} is an apocalyptic number.

It is an amenable number.

13145421301532 is an abundant number, since it is smaller than the sum of its proper divisors (13836158218468).

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

13145421301532 is a wasteful number, since it uses less digits than its factorization.

13145421301532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74523 (or 74521 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

Adding to 13145421301532 its reverse (23510312454131), we get a palindrome (36655733755663).

The spelling of 13145421301532 in words is "thirteen trillion, one hundred forty-five billion, four hundred twenty-one million, three hundred one thousand, five hundred thirty-two".