135019165 has 8 divisors (see below), whose sum is σ = 162272088. Its totient is φ = 107849280.

The previous prime is 135019153. The next prime is 135019189. The reversal of 135019165 is 561910531.

It can be written as a sum of positive squares in 4 ways, for example, as 74459641 + 60559524 = 8629^2 + 7782^2 .

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

It is not a de Polignac number, because 135019165 - 2¹⁷ = 134888093 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, 17122 + ... + 23731.

It is an arithmetic number, because the mean of its divisors is an integer number (20284011).

Almost surely, 2^135019165 is an apocalyptic number.

It is an amenable number.

135019165 is a deficient number, since it is larger than the sum of its proper divisors (27252923).

135019165 is an equidigital number, since it uses as much as digits as its factorization.

135019165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41519.

The product of its (nonzero) digits is 4050, while the sum is 31.

The square root of 135019165 is about 11619.7747396410. The cubic root of 135019165 is about 513.0170581796.

Adding to 135019165 its reverse (561910531), we get a palindrome (696929696).

The spelling of 135019165 in words is "one hundred thirty-five million, nineteen thousand, one hundred sixty-five".