136133689 has 4 divisors (see below), whose sum is σ = 143298640. Its totient is φ = 128968740.

The previous prime is 136133677. The next prime is 136133707. The reversal of 136133689 is 986331631.

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 136133689 - 2⁷ = 136133561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136133609) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3582447 + ... + 3582484.

It is an arithmetic number, because the mean of its divisors is an integer number (35824660).

Almost surely, 2^136133689 is an apocalyptic number.

136133689 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

136133689 is a deficient number, since it is larger than the sum of its proper divisors (7164951).

136133689 is an equidigital number, since it uses as much as digits as its factorization.

136133689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7164950.

The product of its digits is 69984, while the sum is 40.

The square root of 136133689 is about 11667.6342503526. The cubic root of 136133689 is about 514.4247688616.

The spelling of 136133689 in words is "one hundred thirty-six million, one hundred thirty-three thousand, six hundred eighty-nine".