135853842 has 16 divisors (see below), whose sum is σ = 280472832. Its totient is φ = 43823760.

The previous prime is 135853841. The next prime is 135853843. The reversal of 135853842 is 248358531.

It is an interprime number because it is at equal distance from previous prime (135853841) and next prime (135853843).

It is a self number, because there is not a number n which added to its sum of digits gives 135853842.

It is not an unprimeable number, because it can be changed into a prime (135853841) 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, 365013 + ... + 365384.

It is an arithmetic number, because the mean of its divisors is an integer number (17529552).

Almost surely, 2^135853842 is an apocalyptic number.

135853842 is an abundant number, since it is smaller than the sum of its proper divisors (144618990).

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

135853842 is a wasteful number, since it uses less digits than its factorization.

135853842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730433.

The product of its digits is 115200, while the sum is 39.

The square root of 135853842 is about 11655.6356326028. The cubic root of 135853842 is about 514.0720298557.

The spelling of 135853842 in words is "one hundred thirty-five million, eight hundred fifty-three thousand, eight hundred forty-two".