136208049 has 12 divisors (see below), whose sum is σ = 184755216. Its totient is φ = 89259448.

The previous prime is 136207991. The next prime is 136208113. The reversal of 136208049 is 940802631.

136208049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 136208049 - 2⁹ = 136207537 is a prime.

It is a super-2 number, since 2×136208049² = 37105265224772802, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (136228049) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3922 + ... + 16964.

It is an arithmetic number, because the mean of its divisors is an integer number (15396268).

Almost surely, 2^136208049 is an apocalyptic number.

It is an amenable number.

136208049 is a deficient number, since it is larger than the sum of its proper divisors (48547167).

136208049 is an equidigital number, since it uses as much as digits as its factorization.

136208049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13164 (or 13105 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 136208049 is about 11670.8204081804. The cubic root of 136208049 is about 514.5184161758.

The spelling of 136208049 in words is "one hundred thirty-six million, two hundred eight thousand, forty-nine".