135246740 has 12 divisors (see below), whose sum is σ = 284018196. Its totient is φ = 54098688.

The previous prime is 135246689. The next prime is 135246743. The reversal of 135246740 is 47642531.

It can be written as a sum of positive squares in 2 ways, for example, as 23775376 + 111471364 = 4876^2 + 10558^2 .

It is a junction number, because it is equal to n+sod(n) for n = 135246697 and 135246706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135246743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3381149 + ... + 3381188.

It is an arithmetic number, because the mean of its divisors is an integer number (23668183).

Almost surely, 2^135246740 is an apocalyptic number.

135246740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135246740 is an abundant number, since it is smaller than the sum of its proper divisors (148771456).

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

135246740 is a wasteful number, since it uses less digits than its factorization.

135246740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6762346 (or 6762344 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 135246740 is about 11629.5631904212. The cubic root of 135246740 is about 513.3051267273.

The spelling of 135246740 in words is "one hundred thirty-five million, two hundred forty-six thousand, seven hundred forty".