104135352131513 has 4 divisors (see below), whose sum is σ = 104151185398260. Its totient is φ = 104119518864768.

The previous prime is 104135352131509. The next prime is 104135352131567. The reversal of 104135352131513 is 315131253531401.

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

It can be written as a sum of positive squares in 2 ways, for example, as 74009337825424 + 30126014306089 = 8602868^2 + 5488717^2 .

It is a cyclic number.

It is not a de Polignac number, because 104135352131513 - 2² = 104135352131509 is a prime.

It is a super-2 number, since 2×104135352131513² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104135352131593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7916623508 + ... + 7916636661.

It is an arithmetic number, because the mean of its divisors is an integer number (26037796349565).

Almost surely, 2^{104135352131513} is an apocalyptic number.

It is an amenable number.

104135352131513 is a deficient number, since it is larger than the sum of its proper divisors (15833266747).

104135352131513 is an equidigital number, since it uses as much as digits as its factorization.

104135352131513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15833266746.

The product of its (nonzero) digits is 81000, while the sum is 38.

The spelling of 104135352131513 in words is "one hundred four trillion, one hundred thirty-five billion, three hundred fifty-two million, one hundred thirty-one thousand, five hundred thirteen".