135511514 has 4 divisors (see below), whose sum is σ = 203267274. Its totient is φ = 67755756.

The previous prime is 135511511. The next prime is 135511529. The reversal of 135511514 is 415115531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 415115531 = 13523 ⋅30697.

It can be written as a sum of positive squares in only one way, i.e., 100500625 + 35010889 = 10025^2 + 5917^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (135511511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33877877 + ... + 33877880.

Almost surely, 2^135511514 is an apocalyptic number.

135511514 is a deficient number, since it is larger than the sum of its proper divisors (67755760).

135511514 is an equidigital number, since it uses as much as digits as its factorization.

135511514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67755759.

The product of its digits is 1500, while the sum is 26.

The square root of 135511514 is about 11640.9412849649. The cubic root of 135511514 is about 513.6398760338.

The spelling of 135511514 in words is "one hundred thirty-five million, five hundred eleven thousand, five hundred fourteen".