135504145 has 8 divisors (see below), whose sum is σ = 185834304. Its totient is φ = 92917104.

The previous prime is 135504091. The next prime is 135504151. The reversal of 135504145 is 541405531.

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

It is not a de Polignac number, because 135504145 - 2¹¹ = 135502097 is a prime.

It is a super-2 number, since 2×135504145² = 36722746624362050, which contains 22 as substring.

It is a Duffinian 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, 1935739 + ... + 1935808.

It is an arithmetic number, because the mean of its divisors is an integer number (23229288).

Almost surely, 2^135504145 is an apocalyptic number.

It is an amenable number.

135504145 is a deficient number, since it is larger than the sum of its proper divisors (50330159).

135504145 is an equidigital number, since it uses as much as digits as its factorization.

135504145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3871559.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 135504145 is about 11640.6247684564. The cubic root of 135504145 is about 513.6305654329.

Adding to 135504145 its reverse (541405531), we get a palindrome (676909676).

The spelling of 135504145 in words is "one hundred thirty-five million, five hundred four thousand, one hundred forty-five".