13140232105432 has 8 divisors (see below), whose sum is σ = 24637935197700. Its totient is φ = 6570116052712.

The previous prime is 13140232105387. The next prime is 13140232105433. The reversal of 13140232105432 is 23450123204131.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 13140232105394 and 13140232105403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13140232105433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 821264506582 + ... + 821264506597.

Almost surely, 2^{13140232105432} is an apocalyptic number.

It is an amenable number.

13140232105432 is a deficient number, since it is larger than the sum of its proper divisors (11497703092268).

13140232105432 is a wasteful number, since it uses less digits than its factorization.

13140232105432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1642529013185 (or 1642529013181 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 13140232105432 its reverse (23450123204131), we get a palindrome (36590355309563).

The spelling of 13140232105432 in words is "thirteen trillion, one hundred forty billion, two hundred thirty-two million, one hundred five thousand, four hundred thirty-two".