135799474405 has 32 divisors (see below), whose sum is σ = 195176390400. Its totient is φ = 90602850240.

The previous prime is 135799474403. The next prime is 135799474451. The reversal of 135799474405 is 504474997531.

It is a happy number.

It is not a de Polignac number, because 135799474405 - 2¹ = 135799474403 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 135799474405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135799474403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1006591 + ... + 1133500.

It is an arithmetic number, because the mean of its divisors is an integer number (6099262200).

Almost surely, 2^135799474405 is an apocalyptic number.

It is an amenable number.

135799474405 is a deficient number, since it is larger than the sum of its proper divisors (59376915995).

135799474405 is an equidigital number, since it uses as much as digits as its factorization.

135799474405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2140154 (or 2140140 counting only the distinct ones).

The product of its (nonzero) digits is 19051200, while the sum is 58.

The spelling of 135799474405 in words is "one hundred thirty-five billion, seven hundred ninety-nine million, four hundred seventy-four thousand, four hundred five".