135113240 has 48 divisors (see below), whose sum is σ = 308026800. Its totient is φ = 53339136.

The previous prime is 135113227. The next prime is 135113243. The reversal of 135113240 is 42311531.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135113243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 376181 + ... + 376539.

It is an arithmetic number, because the mean of its divisors is an integer number (6417225).

Almost surely, 2^135113240 is an apocalyptic number.

135113240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135113240 is an abundant number, since it is smaller than the sum of its proper divisors (172913560).

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

135113240 is an equidigital number, since it uses as much as digits as its factorization.

135113240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564 (or 463 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 135113240 is about 11623.8220908615. The cubic root of 135113240 is about 513.1361792322.

Adding to 135113240 its reverse (42311531), we get a palindrome (177424771).

The spelling of 135113240 in words is "one hundred thirty-five million, one hundred thirteen thousand, two hundred forty".