135924540 has 48 divisors (see below), whose sum is σ = 385814688. Its totient is φ = 35748864.

The previous prime is 135924443. The next prime is 135924541. The reversal of 135924540 is 45429531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135924541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11137 + ... + 19896.

It is an arithmetic number, because the mean of its divisors is an integer number (8037806).

Almost surely, 2^135924540 is an apocalyptic number.

135924540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135924540 is an abundant number, since it is smaller than the sum of its proper divisors (249890148).

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

135924540 is a wasteful number, since it uses less digits than its factorization.

135924540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31118 (or 31116 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 135924540 is about 11658.6680199755. The cubic root of 135924540 is about 514.1611883249.

The spelling of 135924540 in words is "one hundred thirty-five million, nine hundred twenty-four thousand, five hundred forty".