135475876537623 has 8 divisors (see below), whose sum is σ = 200705002278000. Its totient is φ = 90317251025064.

The previous prime is 135475876537613. The next prime is 135475876537627. The reversal of 135475876537623 is 326735678574531.

135475876537623 is a `hidden beast` number, since 1 + 3 + 5 + 4 + 7 + 5 + 87 + 6 + 537 + 6 + 2 + 3 = 666.

It is not a de Polignac number, because 135475876537623 - 2⁸ = 135475876537367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135475876537627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2508812528448 + ... + 2508812528501.

It is an arithmetic number, because the mean of its divisors is an integer number (25088125284750).

Almost surely, 2^{135475876537623} is an apocalyptic number.

135475876537623 is a deficient number, since it is larger than the sum of its proper divisors (65229125740377).

135475876537623 is an equidigital number, since it uses as much as digits as its factorization.

135475876537623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5017625056958 (or 5017625056952 counting only the distinct ones).

The product of its digits is 2667168000, while the sum is 72.

The spelling of 135475876537623 in words is "one hundred thirty-five trillion, four hundred seventy-five billion, eight hundred seventy-six million, five hundred thirty-seven thousand, six hundred twenty-three".