135740323 has 4 divisors (see below), whose sum is σ = 136349248. Its totient is φ = 135131400.

The previous prime is 135740321. The next prime is 135740327. The reversal of 135740323 is 323047531.

135740323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 135740323 - 2¹ = 135740321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 135740291 and 135740300.

It is not an unprimeable number, because it can be changed into a prime (135740321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 304128 + ... + 304573.

It is an arithmetic number, because the mean of its divisors is an integer number (34087312).

Almost surely, 2^135740323 is an apocalyptic number.

135740323 is a deficient number, since it is larger than the sum of its proper divisors (608925).

135740323 is an equidigital number, since it uses as much as digits as its factorization.

135740323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608924.

The product of its (nonzero) digits is 7560, while the sum is 28.

The square root of 135740323 is about 11650.7649105112. The cubic root of 135740323 is about 513.9288043526.

Adding to 135740323 its reverse (323047531), we get a palindrome (458787854).

The spelling of 135740323 in words is "one hundred thirty-five million, seven hundred forty thousand, three hundred twenty-three".