136311553 has 8 divisors (see below), whose sum is σ = 156012480. Its totient is φ = 116667600.

The previous prime is 136311503. The next prime is 136311569. The reversal of 136311553 is 355113631.

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

It is a de Polignac number, because none of the positive numbers 2^k-136311553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136311503) 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 7 ways as a sum of consecutive naturals, for example, 8983 + ... + 18796.

It is an arithmetic number, because the mean of its divisors is an integer number (19501560).

Almost surely, 2^136311553 is an apocalyptic number.

It is an amenable number.

136311553 is a deficient number, since it is larger than the sum of its proper divisors (19700927).

136311553 is an equidigital number, since it uses as much as digits as its factorization.

136311553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28487.

The product of its digits is 4050, while the sum is 28.

The square root of 136311553 is about 11675.2538730428. The cubic root of 136311553 is about 514.6487100678.

The spelling of 136311553 in words is "one hundred thirty-six million, three hundred eleven thousand, five hundred fifty-three".