135040858 has 8 divisors (see below), whose sum is σ = 202620852. Its totient is φ = 67500576.

The previous prime is 135040853. The next prime is 135040879. The reversal of 135040858 is 858040531.

It can be written as a sum of positive squares in 2 ways, for example, as 81414529 + 53626329 = 9023^2 + 7323^2 .

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

It is not an unprimeable number, because it can be changed into a prime (135040853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 966 + ... + 16462.

Almost surely, 2^135040858 is an apocalyptic number.

135040858 is a deficient number, since it is larger than the sum of its proper divisors (67579994).

135040858 is a wasteful number, since it uses less digits than its factorization.

135040858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19856.

The product of its (nonzero) digits is 19200, while the sum is 34.

The square root of 135040858 is about 11620.7081539810. The cubic root of 135040858 is about 513.0445315216.

The spelling of 135040858 in words is "one hundred thirty-five million, forty thousand, eight hundred fifty-eight".