135963247 has 4 divisors (see below), whose sum is σ = 155386576. Its totient is φ = 116539920.

The previous prime is 135963227. The next prime is 135963287. The reversal of 135963247 is 742369531.

It is a happy number.

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

It is not a de Polignac number, because 135963247 - 2²⁷ = 1745519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135963227) 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 3 ways as a sum of consecutive naturals, for example, 9711654 + ... + 9711667.

It is an arithmetic number, because the mean of its divisors is an integer number (38846644).

Almost surely, 2^135963247 is an apocalyptic number.

135963247 is a deficient number, since it is larger than the sum of its proper divisors (19423329).

135963247 is an equidigital number, since it uses as much as digits as its factorization.

135963247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19423328.

The product of its digits is 136080, while the sum is 40.

The square root of 135963247 is about 11660.3279113411. The cubic root of 135963247 is about 514.2099892952.

The spelling of 135963247 in words is "one hundred thirty-five million, nine hundred sixty-three thousand, two hundred forty-seven".