135691105 has 16 divisors (see below), whose sum is σ = 178920000. Its totient is φ = 97968960.

The previous prime is 135691097. The next prime is 135691121. The reversal of 135691105 is 501196531.

It is not a de Polignac number, because 135691105 - 2³ = 135691097 is a prime.

It is a super-2 number, since 2×135691105² = 36824151952242050, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 1230 + ... + 16519.

It is an arithmetic number, because the mean of its divisors is an integer number (11182500).

Almost surely, 2^135691105 is an apocalyptic number.

It is an amenable number.

135691105 is a deficient number, since it is larger than the sum of its proper divisors (43228895).

135691105 is a wasteful number, since it uses less digits than its factorization.

135691105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17904.

The product of its (nonzero) digits is 4050, while the sum is 31.

The square root of 135691105 is about 11648.6524971775. The cubic root of 135691105 is about 513.8666818010.

The spelling of 135691105 in words is "one hundred thirty-five million, six hundred ninety-one thousand, one hundred five".