135965049 has 16 divisors (see below), whose sum is σ = 198132480. Its totient is φ = 82250960.

The previous prime is 135965003. The next prime is 135965051. The reversal of 135965049 is 940569531.

It is not a de Polignac number, because 135965049 - 2⁷ = 135964921 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a plaindrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 135965049.

It is not an unprimeable number, because it can be changed into a prime (135965449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15862 + ... + 22880.

It is an arithmetic number, because the mean of its divisors is an integer number (12383280).

Almost surely, 2^135965049 is an apocalyptic number.

It is an amenable number.

135965049 is a deficient number, since it is larger than the sum of its proper divisors (62167431).

135965049 is a wasteful number, since it uses less digits than its factorization.

135965049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7620.

The product of its (nonzero) digits is 145800, while the sum is 42.

The square root of 135965049 is about 11660.4051816393. The cubic root of 135965049 is about 514.2122609932.

The spelling of 135965049 in words is "one hundred thirty-five million, nine hundred sixty-five thousand, forty-nine".