135315554405 has 8 divisors (see below), whose sum is σ = 162618519672. Its totient is φ = 108092540608.

The previous prime is 135315554389. The next prime is 135315554411. The reversal of 135315554405 is 504455513531.

It can be written as a sum of positive squares in 4 ways, for example, as 93392582404 + 41922972001 = 305602^2 + 204751^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 135315554405 - 2⁴ = 135315554389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19984142 + ... + 19990911.

It is an arithmetic number, because the mean of its divisors is an integer number (20327314959).

Almost surely, 2^135315554405 is an apocalyptic number.

It is an amenable number.

135315554405 is a deficient number, since it is larger than the sum of its proper divisors (27302965267).

135315554405 is an equidigital number, since it uses as much as digits as its factorization.

135315554405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39975735.

The product of its (nonzero) digits is 450000, while the sum is 41.

The spelling of 135315554405 in words is "one hundred thirty-five billion, three hundred fifteen million, five hundred fifty-four thousand, four hundred five".