136628563 has 8 divisors (see below), whose sum is σ = 148459520. Its totient is φ = 125261640.

The previous prime is 136628561. The next prime is 136628567. The reversal of 136628563 is 365826631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 136628563 - 2¹ = 136628561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136628561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115395 + ... + 116572.

It is an arithmetic number, because the mean of its divisors is an integer number (18557440).

Almost surely, 2^136628563 is an apocalyptic number.

136628563 is a deficient number, since it is larger than the sum of its proper divisors (11830957).

136628563 is a wasteful number, since it uses less digits than its factorization.

136628563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232017.

The product of its digits is 155520, while the sum is 40.

The square root of 136628563 is about 11688.8221391208. The cubic root of 136628563 is about 515.0473617171.

It can be divided in two parts, 1366 and 28563, that added together give a square (29929 = 173²).

The spelling of 136628563 in words is "one hundred thirty-six million, six hundred twenty-eight thousand, five hundred sixty-three".