135964799 has 4 divisors (see below), whose sum is σ = 141876336. Its totient is φ = 130053264.

The previous prime is 135964771. The next prime is 135964811. The reversal of 135964799 is 997469531.

It is a happy number.

135964799 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 135964799 - 2¹⁶ = 135899263 is a prime.

It is a super-2 number, since 2×135964799² = 36972853134220802, which contains 22 as substring.

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 135964799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135964709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2955734 + ... + 2955779.

It is an arithmetic number, because the mean of its divisors is an integer number (35469084).

Almost surely, 2^135964799 is an apocalyptic number.

135964799 is a deficient number, since it is larger than the sum of its proper divisors (5911537).

135964799 is an equidigital number, since it uses as much as digits as its factorization.

135964799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5911536.

The product of its digits is 1837080, while the sum is 53.

The square root of 135964799 is about 11660.3944615952. The cubic root of 135964799 is about 514.2119458309.

The spelling of 135964799 in words is "one hundred thirty-five million, nine hundred sixty-four thousand, seven hundred ninety-nine".