135128014 has 16 divisors (see below), whose sum is σ = 231890400. Its totient is φ = 57851424.

The previous prime is 135128003. The next prime is 135128017. The reversal of 135128014 is 410821531.

135128014 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 135128014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135128017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10452 + ... + 19480.

It is an arithmetic number, because the mean of its divisors is an integer number (14493150).

Almost surely, 2^135128014 is an apocalyptic number.

135128014 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

135128014 is a deficient number, since it is larger than the sum of its proper divisors (96762386).

135128014 is a wasteful number, since it uses less digits than its factorization.

135128014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10107.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 135128014 is about 11624.4575787432. The cubic root of 135128014 is about 513.1548815632.

Adding to 135128014 its reverse (410821531), we get a palindrome (545949545).

The spelling of 135128014 in words is "one hundred thirty-five million, one hundred twenty-eight thousand, fourteen".