135141505 has 4 divisors (see below), whose sum is σ = 162169812. Its totient is φ = 108113200.

The previous prime is 135141481. The next prime is 135141521. The reversal of 135141505 is 505141531.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 92852496 + 42289009 = 9636^2 + 6503^2 .

It is not a de Polignac number, because 135141505 - 2¹⁵ = 135108737 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 135141505.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13514146 + ... + 13514155.

It is an arithmetic number, because the mean of its divisors is an integer number (40542453).

Almost surely, 2^135141505 is an apocalyptic number.

It is an amenable number.

135141505 is a deficient number, since it is larger than the sum of its proper divisors (27028307).

135141505 is an equidigital number, since it uses as much as digits as its factorization.

135141505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27028306.

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 135141505 is about 11625.0378494007. The cubic root of 135141505 is about 513.1719585603.

The spelling of 135141505 in words is "one hundred thirty-five million, one hundred forty-one thousand, five hundred five".