135440558 has 16 divisors (see below), whose sum is σ = 226347264. Its totient is φ = 60253560.

The previous prime is 135440549. The next prime is 135440561. The reversal of 135440558 is 855044531.

It is a super-3 number, since 3×135440558³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64460 + ... + 66527.

It is an arithmetic number, because the mean of its divisors is an integer number (14146704).

Almost surely, 2^135440558 is an apocalyptic number.

135440558 is a deficient number, since it is larger than the sum of its proper divisors (90906706).

135440558 is a wasteful number, since it uses less digits than its factorization.

135440558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131047.

The product of its (nonzero) digits is 48000, while the sum is 35.

The square root of 135440558 is about 11637.8931942169. The cubic root of 135440558 is about 513.5502103588.

The spelling of 135440558 in words is "one hundred thirty-five million, four hundred forty thousand, five hundred fifty-eight".