135104231560 has 32 divisors (see below), whose sum is σ = 311398781400. Its totient is φ = 52723601920.

The previous prime is 135104231533. The next prime is 135104231573. The reversal of 135104231560 is 65132401531.

It can be written as a sum of positive squares in 4 ways, for example, as 30170995204 + 104933236356 = 173698^2 + 323934^2 .

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, 41188675 + ... + 41191954.

Almost surely, 2^135104231560 is an apocalyptic number.

135104231560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135104231560 is an abundant number, since it is smaller than the sum of its proper divisors (176294549840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135104231560 is a wasteful number, since it uses less digits than its factorization.

135104231560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82380681 (or 82380677 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The spelling of 135104231560 in words is "one hundred thirty-five billion, one hundred four million, two hundred thirty-one thousand, five hundred sixty".