135127723 has 4 divisors (see below), whose sum is σ = 135154800. Its totient is φ = 135100648.

The previous prime is 135127717. The next prime is 135127787. The reversal of 135127723 is 327721531.

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 135127723 - 2¹³ = 135119531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135127423) 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, 3640 + ... + 16837.

It is an arithmetic number, because the mean of its divisors is an integer number (33788700).

Almost surely, 2^135127723 is an apocalyptic number.

135127723 is a deficient number, since it is larger than the sum of its proper divisors (27077).

135127723 is an equidigital number, since it uses as much as digits as its factorization.

135127723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27076.

The product of its digits is 8820, while the sum is 31.

The square root of 135127723 is about 11624.4450620234. The cubic root of 135127723 is about 513.1545132009.

The spelling of 135127723 in words is "one hundred thirty-five million, one hundred twenty-seven thousand, seven hundred twenty-three".