136633705 has 8 divisors (see below), whose sum is σ = 176572872. Its totient is φ = 100898688.

The previous prime is 136633691. The next prime is 136633729. The reversal of 136633705 is 507336631.

It can be written as a sum of positive squares in 4 ways, for example, as 2143296 + 134490409 = 1464^2 + 11597^2 .

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 136633705 - 2¹¹ = 136631657 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 1050964 + ... + 1051093.

It is an arithmetic number, because the mean of its divisors is an integer number (22071609).

Almost surely, 2^136633705 is an apocalyptic number.

It is an amenable number.

136633705 is a deficient number, since it is larger than the sum of its proper divisors (39939167).

136633705 is a wasteful number, since it uses less digits than its factorization.

136633705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2102075.

The product of its (nonzero) digits is 34020, while the sum is 34.

The square root of 136633705 is about 11689.0420907789. The cubic root of 136633705 is about 515.0538228851.

The spelling of 136633705 in words is "one hundred thirty-six million, six hundred thirty-three thousand, seven hundred five".