135740959 has 8 divisors (see below), whose sum is σ = 143216640. Its totient is φ = 128298456.

The previous prime is 135740947. The next prime is 135740993. The reversal of 135740959 is 959047531.

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

It is a cyclic number.

It is not a de Polignac number, because 135740959 - 2⁷ = 135740831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135740999) 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, 354 + ... + 16480.

It is an arithmetic number, because the mean of its divisors is an integer number (17902080).

Almost surely, 2^135740959 is an apocalyptic number.

135740959 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

135740959 is a deficient number, since it is larger than the sum of its proper divisors (7475681).

135740959 is a wasteful number, since it uses less digits than its factorization.

135740959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16589.

The product of its (nonzero) digits is 170100, while the sum is 43.

The square root of 135740959 is about 11650.7922048245. The cubic root of 135740959 is about 513.9296070083.

The spelling of 135740959 in words is "one hundred thirty-five million, seven hundred forty thousand, nine hundred fifty-nine".