136506353 has 4 divisors (see below), whose sum is σ = 138820080. Its totient is φ = 134192628.

The previous prime is 136506341. The next prime is 136506367. The reversal of 136506353 is 353605631.

136506353 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 136506353 - 2¹⁶ = 136440817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136506053) 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, 1156775 + ... + 1156892.

It is an arithmetic number, because the mean of its divisors is an integer number (34705020).

Almost surely, 2^136506353 is an apocalyptic number.

It is an amenable number.

136506353 is a deficient number, since it is larger than the sum of its proper divisors (2313727).

136506353 is an equidigital number, since it uses as much as digits as its factorization.

136506353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2313726.

The product of its (nonzero) digits is 24300, while the sum is 32.

The square root of 136506353 is about 11683.5933256854. The cubic root of 136506353 is about 514.8937512930.

The spelling of 136506353 in words is "one hundred thirty-six million, five hundred six thousand, three hundred fifty-three".