135420582 has 32 divisors (see below), whose sum is σ = 295985664. Its totient is φ = 40964000.

The previous prime is 135420553. The next prime is 135420599. The reversal of 135420582 is 285024531.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 44803 + ... + 47729.

It is an arithmetic number, because the mean of its divisors is an integer number (9249552).

Almost surely, 2^135420582 is an apocalyptic number.

135420582 is an abundant number, since it is smaller than the sum of its proper divisors (160565082).

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

135420582 is a wasteful number, since it uses less digits than its factorization.

135420582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3644.

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 135420582 is about 11637.0349316310. The cubic root of 135420582 is about 513.5249614389.

The spelling of 135420582 in words is "one hundred thirty-five million, four hundred twenty thousand, five hundred eighty-two".