135959290 has 8 divisors (see below), whose sum is σ = 244726740. Its totient is φ = 54383712.

The previous prime is 135959261. The next prime is 135959293. The reversal of 135959290 is 92959531.

It can be written as a sum of positive squares in 2 ways, for example, as 125865961 + 10093329 = 11219^2 + 3177^2 .

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 (135959293) 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 3 ways as a sum of consecutive naturals, for example, 6797955 + ... + 6797974.

Almost surely, 2^135959290 is an apocalyptic number.

135959290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135959290 is a deficient number, since it is larger than the sum of its proper divisors (108767450).

135959290 is a wasteful number, since it uses less digits than its factorization.

135959290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13595936.

The product of its (nonzero) digits is 109350, while the sum is 43.

The square root of 135959290 is about 11660.1582322025. The cubic root of 135959290 is about 514.2050008180.

The spelling of 135959290 in words is "one hundred thirty-five million, nine hundred fifty-nine thousand, two hundred ninety".