135246723 has 4 divisors (see below), whose sum is σ = 180328968. Its totient is φ = 90164480.

The previous prime is 135246689. The next prime is 135246743. The reversal of 135246723 is 327642531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 327642531 = 3 ⋅109214177.

It is a cyclic number.

It is not a de Polignac number, because 135246723 - 2¹⁸ = 134984579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135246743) 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, 22541118 + ... + 22541123.

It is an arithmetic number, because the mean of its divisors is an integer number (45082242).

Almost surely, 2^135246723 is an apocalyptic number.

135246723 is a deficient number, since it is larger than the sum of its proper divisors (45082245).

135246723 is an equidigital number, since it uses as much as digits as its factorization.

135246723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45082244.

The product of its digits is 30240, while the sum is 33.

The square root of 135246723 is about 11629.5624595253. The cubic root of 135246723 is about 513.3051052205.

The spelling of 135246723 in words is "one hundred thirty-five million, two hundred forty-six thousand, seven hundred twenty-three".