135748511 has 4 divisors (see below), whose sum is σ = 135838032. Its totient is φ = 135658992.

The previous prime is 135748489. The next prime is 135748513. The reversal of 135748511 is 115847531.

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 135748511 - 2¹⁴ = 135732127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135748513) 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, 42446 + ... + 45531.

It is an arithmetic number, because the mean of its divisors is an integer number (33959508).

Almost surely, 2^135748511 is an apocalyptic number.

135748511 is a deficient number, since it is larger than the sum of its proper divisors (89521).

135748511 is an equidigital number, since it uses as much as digits as its factorization.

135748511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89520.

The product of its digits is 16800, while the sum is 35.

The square root of 135748511 is about 11651.1162984497. The cubic root of 135748511 is about 513.9391377214.

The spelling of 135748511 in words is "one hundred thirty-five million, seven hundred forty-eight thousand, five hundred eleven".