135516254 has 4 divisors (see below), whose sum is σ = 203274384. Its totient is φ = 67758126.

The previous prime is 135516203. The next prime is 135516257. The reversal of 135516254 is 452615531.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 135516254.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135516257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33879062 + ... + 33879065.

It is an arithmetic number, because the mean of its divisors is an integer number (50818596).

Almost surely, 2^135516254 is an apocalyptic number.

135516254 is a deficient number, since it is larger than the sum of its proper divisors (67758130).

135516254 is an equidigital number, since it uses as much as digits as its factorization.

135516254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67758129.

The product of its digits is 18000, while the sum is 32.

The square root of 135516254 is about 11641.1448749683. The cubic root of 135516254 is about 513.6458647613.

The spelling of 135516254 in words is "one hundred thirty-five million, five hundred sixteen thousand, two hundred fifty-four".