13540325004 has 36 divisors (see below), whose sum is σ = 34230871584. Its totient is φ = 4512922272.

The previous prime is 13540324999. The next prime is 13540325021. The reversal of 13540325004 is 40052304531.

13540325004 is a `hidden beast` number, since 1 + 3 + 5 + 403 + 250 + 0 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 417709 + ... + 448955.

It is an arithmetic number, because the mean of its divisors is an integer number (950857544).

Almost surely, 2^13540325004 is an apocalyptic number.

It is an amenable number.

13540325004 is an abundant number, since it is smaller than the sum of its proper divisors (20690546580).

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

13540325004 is a wasteful number, since it uses less digits than its factorization.

13540325004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43294 (or 43289 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 13540325004 its reverse (40052304531), we get a palindrome (53592629535).

The spelling of 13540325004 in words is "thirteen billion, five hundred forty million, three hundred twenty-five thousand, four".