135057940 has 12 divisors (see below), whose sum is σ = 283621716. Its totient is φ = 54023168.

The previous prime is 135057929. The next prime is 135057941. The reversal of 135057940 is 49750531.

It can be written as a sum of positive squares in 2 ways, for example, as 13793796 + 121264144 = 3714^2 + 11012^2 .

It is a junction number, because it is equal to n+sod(n) for n = 135057896 and 135057905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135057941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3376429 + ... + 3376468.

It is an arithmetic number, because the mean of its divisors is an integer number (23635143).

Almost surely, 2^135057940 is an apocalyptic number.

135057940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135057940 is an abundant number, since it is smaller than the sum of its proper divisors (148563776).

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

135057940 is a wasteful number, since it uses less digits than its factorization.

135057940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6752906 (or 6752904 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 135057940 is about 11621.4431117654. The cubic root of 135057940 is about 513.0661631406.

The spelling of 135057940 in words is "one hundred thirty-five million, fifty-seven thousand, nine hundred forty".