13445140012532 has 24 divisors (see below), whose sum is σ = 24767615994240. Its totient is φ = 6368685523200.

The previous prime is 13445140012531. The next prime is 13445140012559. The reversal of 13445140012532 is 23521004154431.

It is a junction number, because it is equal to n+sod(n) for n = 13445140012492 and 13445140012501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13445140012531) 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, 7049348 + ... + 8751204.

It is an arithmetic number, because the mean of its divisors is an integer number (1031983999760).

Almost surely, 2^{13445140012532} is an apocalyptic number.

It is an amenable number.

13445140012532 is a deficient number, since it is larger than the sum of its proper divisors (11322475981708).

13445140012532 is a wasteful number, since it uses less digits than its factorization.

13445140012532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1805831 (or 1805829 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 13445140012532 its reverse (23521004154431), we get a palindrome (36966144166963).

The spelling of 13445140012532 in words is "thirteen trillion, four hundred forty-five billion, one hundred forty million, twelve thousand, five hundred thirty-two".