13935261348087 has 4 divisors (see below), whose sum is σ = 18580348464120. Its totient is φ = 9290174232056.

The previous prime is 13935261348083. The next prime is 13935261348149. The reversal of 13935261348087 is 78084316253931.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13935261348087 - 2² = 13935261348083 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13935261348087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13935261348083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2322543558012 + ... + 2322543558017.

It is an arithmetic number, because the mean of its divisors is an integer number (4645087116030).

It is a 1-persistent number, because it is pandigital, but 2⋅13935261348087 = 27870522696174 is not.

Almost surely, 2^{13935261348087} is an apocalyptic number.

13935261348087 is a deficient number, since it is larger than the sum of its proper divisors (4645087116033).

13935261348087 is an equidigital number, since it uses as much as digits as its factorization.

13935261348087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4645087116032.

The product of its (nonzero) digits is 26127360, while the sum is 60.

The spelling of 13935261348087 in words is "thirteen trillion, nine hundred thirty-five billion, two hundred sixty-one million, three hundred forty-eight thousand, eighty-seven".