13013251542 has 24 divisors (see below), whose sum is σ = 28198404000. Its totient is φ = 4337285040.

The previous prime is 13013251523. The next prime is 13013251547. The reversal of 13013251542 is 24515231031.

13013251542 is a `hidden beast` number, since 13 + 0 + 132 + 515 + 4 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13013251547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 161584 + ... + 228332.

It is an arithmetic number, because the mean of its divisors is an integer number (1174933500).

Almost surely, 2^13013251542 is an apocalyptic number.

13013251542 is an abundant number, since it is smaller than the sum of its proper divisors (15185152458).

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

13013251542 is a wasteful number, since it uses less digits than its factorization.

13013251542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77588 (or 77585 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 13013251542 its reverse (24515231031), we get a palindrome (37528482573).

The spelling of 13013251542 in words is "thirteen billion, thirteen million, two hundred fifty-one thousand, five hundred forty-two".