136788533 has 4 divisors (see below), whose sum is σ = 156329760. Its totient is φ = 117247308.

The previous prime is 136788499. The next prime is 136788583. The reversal of 136788533 is 335887631.

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, and also an emirpimes, since its reverse is a distinct semiprime: 335887631 = 173 ⋅1941547.

It is a cyclic number.

It is not a de Polignac number, because 136788533 - 2⁶ = 136788469 is a prime.

It is a super-2 number, since 2×136788533² = 37422205520584178, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136788583) 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, 9770603 + ... + 9770616.

It is an arithmetic number, because the mean of its divisors is an integer number (39082440).

Almost surely, 2^136788533 is an apocalyptic number.

It is an amenable number.

136788533 is a deficient number, since it is larger than the sum of its proper divisors (19541227).

136788533 is an equidigital number, since it uses as much as digits as its factorization.

136788533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19541226.

The product of its digits is 362880, while the sum is 44.

The square root of 136788533 is about 11695.6629995909. The cubic root of 136788533 is about 515.2482957668.

The spelling of 136788533 in words is "one hundred thirty-six million, seven hundred eighty-eight thousand, five hundred thirty-three".