135108986 has 8 divisors (see below), whose sum is σ = 202731444. Its totient is φ = 67531840.

The previous prime is 135108971. The next prime is 135108991. The reversal of 135108986 is 689801531.

It can be written as a sum of positive squares in 2 ways, for example, as 116229961 + 18879025 = 10781^2 + 4345^2 .

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

It is an unprimeable number.

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, 2495 + ... + 16626.

Almost surely, 2^135108986 is an apocalyptic number.

135108986 is a deficient number, since it is larger than the sum of its proper divisors (67622458).

135108986 is a wasteful number, since it uses less digits than its factorization.

135108986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22656.

The product of its (nonzero) digits is 51840, while the sum is 41.

The square root of 135108986 is about 11623.6391031381. The cubic root of 135108986 is about 513.1307938625.

The spelling of 135108986 in words is "one hundred thirty-five million, one hundred eight thousand, nine hundred eighty-six".