135061242 has 16 divisors (see below), whose sum is σ = 273823680. Its totient is φ = 44403552.

The previous prime is 135061229. The next prime is 135061249. The reversal of 135061242 is 242160531.

It is not an unprimeable number, because it can be changed into a prime (135061249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153742 + ... + 154617.

It is an arithmetic number, because the mean of its divisors is an integer number (17113980).

Almost surely, 2^135061242 is an apocalyptic number.

135061242 is an abundant number, since it is smaller than the sum of its proper divisors (138762438).

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

135061242 is a wasteful number, since it uses less digits than its factorization.

135061242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308437.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 135061242 is about 11621.5851758699. The cubic root of 135061242 is about 513.0703443847.

The spelling of 135061242 in words is "one hundred thirty-five million, sixty-one thousand, two hundred forty-two".