136270905 has 8 divisors (see below), whose sum is σ = 218033472. Its totient is φ = 72677808.

The previous prime is 136270817. The next prime is 136270919. The reversal of 136270905 is 509072631.

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

It is not a de Polignac number, because 136270905 - 2⁷ = 136270777 is a prime.

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, 4542349 + ... + 4542378.

It is an arithmetic number, because the mean of its divisors is an integer number (27254184).

Almost surely, 2^136270905 is an apocalyptic number.

136270905 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

136270905 is a deficient number, since it is larger than the sum of its proper divisors (81762567).

136270905 is an equidigital number, since it uses as much as digits as its factorization.

136270905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9084735.

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 136270905 is about 11673.5129673976. The cubic root of 136270905 is about 514.5975490326.

The spelling of 136270905 in words is "one hundred thirty-six million, two hundred seventy thousand, nine hundred five".