135371620 has 24 divisors (see below), whose sum is σ = 285070464. Its totient is φ = 53998176.

The previous prime is 135371603. The next prime is 135371633. The reversal of 135371620 is 26173531.

135371620 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1882 + ... + 16561.

It is an arithmetic number, because the mean of its divisors is an integer number (11877936).

Almost surely, 2^135371620 is an apocalyptic number.

135371620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135371620 is an abundant number, since it is smaller than the sum of its proper divisors (149698844).

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

135371620 is a wasteful number, since it uses less digits than its factorization.

135371620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18819 (or 18817 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 135371620 is about 11634.9310268690. The cubic root of 135371620 is about 513.4630647917.

The spelling of 135371620 in words is "one hundred thirty-five million, three hundred seventy-one thousand, six hundred twenty".