135307842 has 32 divisors (see below), whose sum is σ = 277728000. Its totient is φ = 43923600.

The previous prime is 135307841. The next prime is 135307847. The reversal of 135307842 is 248703531.

It is not an unprimeable number, because it can be changed into a prime (135307841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128217 + ... + 129267.

It is an arithmetic number, because the mean of its divisors is an integer number (8679000).

Almost surely, 2^135307842 is an apocalyptic number.

135307842 is an abundant number, since it is smaller than the sum of its proper divisors (142420158).

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

135307842 is a wasteful number, since it uses less digits than its factorization.

135307842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1598.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 135307842 is about 11632.1899056025. The cubic root of 135307842 is about 513.3824157075.

The spelling of 135307842 in words is "one hundred thirty-five million, three hundred seven thousand, eight hundred forty-two".