135040530 has 32 divisors (see below), whose sum is σ = 335275200. Its totient is φ = 34768832.

The previous prime is 135040517. The next prime is 135040531. The reversal of 135040530 is 35040531.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 135040497 and 135040506.

It is not an unprimeable number, because it can be changed into a prime (135040531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76740 + ... + 78479.

It is an arithmetic number, because the mean of its divisors is an integer number (10477350).

Almost surely, 2^135040530 is an apocalyptic number.

135040530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135040530 is an abundant number, since it is smaller than the sum of its proper divisors (200234670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135040530 is a wasteful number, since it uses less digits than its factorization.

135040530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155258.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 135040530 is about 11620.6940412352. The cubic root of 135040530 is about 513.0441161442.

Subtracting from 135040530 its reverse (35040531), we obtain a palindrome (99999999).

The spelling of 135040530 in words is "one hundred thirty-five million, forty thousand, five hundred thirty".