135744325287 has 64 divisors (see below), whose sum is σ = 209297779200. Its totient is φ = 77677608960.

The previous prime is 135744325279. The next prime is 135744325303. The reversal of 135744325287 is 782523447531.

It is not a de Polignac number, because 135744325287 - 2³ = 135744325279 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135744325207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9744087 + ... + 9758007.

It is an arithmetic number, because the mean of its divisors is an integer number (3270277800).

Almost surely, 2^135744325287 is an apocalyptic number.

135744325287 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

135744325287 is a deficient number, since it is larger than the sum of its proper divisors (73553453913).

135744325287 is a wasteful number, since it uses less digits than its factorization.

135744325287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14336.

The product of its digits is 5644800, while the sum is 51.

The spelling of 135744325287 in words is "one hundred thirty-five billion, seven hundred forty-four million, three hundred twenty-five thousand, two hundred eighty-seven".