135286723 has 16 divisors (see below), whose sum is σ = 159570432. Its totient is φ = 113076000.

The previous prime is 135286721. The next prime is 135286747. The reversal of 135286723 is 327682531.

It is a cyclic number.

It is not a de Polignac number, because 135286723 - 2¹ = 135286721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135286721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37008 + ... + 40498.

It is an arithmetic number, because the mean of its divisors is an integer number (9973152).

Almost surely, 2^135286723 is an apocalyptic number.

135286723 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

135286723 is a deficient number, since it is larger than the sum of its proper divisors (24283709).

135286723 is a wasteful number, since it uses less digits than its factorization.

135286723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3786.

The product of its digits is 60480, while the sum is 37.

The square root of 135286723 is about 11631.2820875431. The cubic root of 135286723 is about 513.3557045497.

The spelling of 135286723 in words is "one hundred thirty-five million, two hundred eighty-six thousand, seven hundred twenty-three".