135137042 has 8 divisors (see below), whose sum is σ = 209695500. Its totient is φ = 65238544.

The previous prime is 135137011. The next prime is 135137059. The reversal of 135137042 is 240731531.

It can be written as a sum of positive squares in 2 ways, for example, as 135047641 + 89401 = 11621^2 + 299^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1164917 + ... + 1165032.

Almost surely, 2^135137042 is an apocalyptic number.

135137042 is a deficient number, since it is larger than the sum of its proper divisors (74558458).

135137042 is a wasteful number, since it uses less digits than its factorization.

135137042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2329980.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 135137042 is about 11624.8458914516. The cubic root of 135137042 is about 513.1663093912.

Adding to 135137042 its reverse (240731531), we get a palindrome (375868573).

The spelling of 135137042 in words is "one hundred thirty-five million, one hundred thirty-seven thousand, forty-two".