135819265 has 16 divisors (see below), whose sum is σ = 167763456. Its totient is φ = 105494400.

The previous prime is 135819259. The next prime is 135819289. The reversal of 135819265 is 562918531.

It is not a de Polignac number, because 135819265 - 2¹³ = 135811073 is a prime.

It is a Duffinian number.

Its product of digits (64800) is a multiple of the sum of its prime divisors (3240).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44230 + ... + 47200.

It is an arithmetic number, because the mean of its divisors is an integer number (10485216).

Almost surely, 2^135819265 is an apocalyptic number.

It is an amenable number.

135819265 is a deficient number, since it is larger than the sum of its proper divisors (31944191).

135819265 is a wasteful number, since it uses less digits than its factorization.

135819265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3240.

The product of its digits is 64800, while the sum is 40.

The square root of 135819265 is about 11654.1522643219. The cubic root of 135819265 is about 514.0284129398.

The spelling of 135819265 in words is "one hundred thirty-five million, eight hundred nineteen thousand, two hundred sixty-five".