136175009 has 4 divisors (see below), whose sum is σ = 138483120. Its totient is φ = 133866900.

The previous prime is 136174993. The next prime is 136175041. The reversal of 136175009 is 900571631.

136175009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 136175009 - 2⁴ = 136174993 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (136175609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1153967 + ... + 1154084.

It is an arithmetic number, because the mean of its divisors is an integer number (34620780).

Almost surely, 2^136175009 is an apocalyptic number.

It is an amenable number.

136175009 is a deficient number, since it is larger than the sum of its proper divisors (2308111).

136175009 is an equidigital number, since it uses as much as digits as its factorization.

136175009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2308110.

The product of its (nonzero) digits is 5670, while the sum is 32.

The square root of 136175009 is about 11669.4048262968. The cubic root of 136175009 is about 514.4768105504.

The spelling of 136175009 in words is "one hundred thirty-six million, one hundred seventy-five thousand, nine".