135131140 has 12 divisors (see below), whose sum is σ = 283775436. Its totient is φ = 54052448.

The previous prime is 135131137. The next prime is 135131179. The reversal of 135131140 is 41131531.

It can be written as a sum of positive squares in 2 ways, for example, as 31539456 + 103591684 = 5616^2 + 10178^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3378259 + ... + 3378298.

It is an arithmetic number, because the mean of its divisors is an integer number (23647953).

Almost surely, 2^135131140 is an apocalyptic number.

135131140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135131140 is an abundant number, since it is smaller than the sum of its proper divisors (148644296).

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

135131140 is a wasteful number, since it uses less digits than its factorization.

135131140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6756566 (or 6756564 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 135131140 is about 11624.5920358523. The cubic root of 135131140 is about 513.1588385758.

Adding to 135131140 its reverse (41131531), we get a palindrome (176262671).

The spelling of 135131140 in words is "one hundred thirty-five million, one hundred thirty-one thousand, one hundred forty".