136653091 has 2 divisors, whose sum is σ = 136653092. Its totient is φ = 136653090.

The previous prime is 136652981. The next prime is 136653103. The reversal of 136653091 is 190356631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 136653091 - 2⁷ = 136652963 is a prime.

It is not a weakly prime, because it can be changed into another prime (136653991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68326545 + 68326546.

It is an arithmetic number, because the mean of its divisors is an integer number (68326546).

Almost surely, 2^136653091 is an apocalyptic number.

136653091 is a deficient number, since it is larger than the sum of its proper divisors (1).

136653091 is an equidigital number, since it uses as much as digits as its factorization.

136653091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14580, while the sum is 34.

The square root of 136653091 is about 11689.8712995482. The cubic root of 136653091 is about 515.0781808604.

The spelling of 136653091 in words is "one hundred thirty-six million, six hundred fifty-three thousand, ninety-one".