135187342 has 16 divisors (see below), whose sum is σ = 209722752. Its totient is φ = 65288160.

The previous prime is 135187321. The next prime is 135187343. The reversal of 135187342 is 243781531.

It is a junction number, because it is equal to n+sod(n) for n = 135187298 and 135187307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135187343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36228 + ... + 39784.

It is an arithmetic number, because the mean of its divisors is an integer number (13107672).

Almost surely, 2^135187342 is an apocalyptic number.

135187342 is a deficient number, since it is larger than the sum of its proper divisors (74535410).

135187342 is a wasteful number, since it uses less digits than its factorization.

135187342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4203.

The product of its digits is 20160, while the sum is 34.

The square root of 135187342 is about 11627.0091597108. The cubic root of 135187342 is about 513.2299708494.

The spelling of 135187342 in words is "one hundred thirty-five million, one hundred eighty-seven thousand, three hundred forty-two".