1533140321013 has 48 divisors (see below), whose sum is σ = 2543555604096. Its totient is φ = 871703406720.

The previous prime is 1533140320981. The next prime is 1533140321029. The reversal of 1533140321013 is 3101230413351.

1533140321013 is a `hidden beast` number, since 1 + 5 + 3 + 31 + 403 + 210 + 13 = 666.

It is not a de Polignac number, because 1533140321013 - 2⁵ = 1533140320981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1533140321213) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24752703 + ... + 24814563.

It is an arithmetic number, because the mean of its divisors is an integer number (52990741752).

Almost surely, 2^{1533140321013} is an apocalyptic number.

It is an amenable number.

1533140321013 is a deficient number, since it is larger than the sum of its proper divisors (1010415283083).

1533140321013 is a wasteful number, since it uses less digits than its factorization.

1533140321013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63834 (or 63831 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

Adding to 1533140321013 its reverse (3101230413351), we get a palindrome (4634370734364).

The spelling of 1533140321013 in words is "one trillion, five hundred thirty-three billion, one hundred forty million, three hundred twenty-one thousand, thirteen".