135936420 has 48 divisors (see below), whose sum is σ = 403014528. Its totient is φ = 34117120.

The previous prime is 135936389. The next prime is 135936421. The reversal of 135936420 is 24639531.

It is not an unprimeable number, because it can be changed into a prime (135936421) 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, 65616 + ... + 67655.

It is an arithmetic number, because the mean of its divisors is an integer number (8396136).

Almost surely, 2^135936420 is an apocalyptic number.

135936420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135936420 is an abundant number, since it is smaller than the sum of its proper divisors (267078108).

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

135936420 is a wasteful number, since it uses less digits than its factorization.

135936420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133300 (or 133298 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 135936420 is about 11659.1775010075. The cubic root of 135936420 is about 514.1761673639.

The spelling of 135936420 in words is "one hundred thirty-five million, nine hundred thirty-six thousand, four hundred twenty".