135584805845723 has 6 divisors (see below), whose sum is σ = 146816683253244. Its totient is φ = 125155205395896.

The previous prime is 135584805845677. The next prime is 135584805845729. The reversal of 135584805845723 is 327548508485531.

It is not a de Polignac number, because 135584805845723 - 2⁶ = 135584805845659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135584805845729) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 401138478665 + ... + 401138479002.

It is an arithmetic number, because the mean of its divisors is an integer number (24469447208874).

Almost surely, 2^{135584805845723} is an apocalyptic number.

135584805845723 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

135584805845723 is a deficient number, since it is larger than the sum of its proper divisors (11231877407521).

135584805845723 is an equidigital number, since it uses as much as digits as its factorization.

135584805845723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802276957693 (or 802276957680 counting only the distinct ones).

The product of its (nonzero) digits is 645120000, while the sum is 68.

The spelling of 135584805845723 in words is "one hundred thirty-five trillion, five hundred eighty-four billion, eight hundred five million, eight hundred forty-five thousand, seven hundred twenty-three".