136131303 has 32 divisors (see below), whose sum is σ = 226985472. Its totient is φ = 70502400.

The previous prime is 136131277. The next prime is 136131313. The reversal of 136131303 is 303131631.

136131303 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 136131303 - 2⁵ = 136131271 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 136131303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136131313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 99343 + ... + 100703.

It is an arithmetic number, because the mean of its divisors is an integer number (7093296).

Almost surely, 2^136131303 is an apocalyptic number.

136131303 is a deficient number, since it is larger than the sum of its proper divisors (90854169).

136131303 is a wasteful number, since it uses less digits than its factorization.

136131303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1815.

The product of its (nonzero) digits is 486, while the sum is 21.

The square root of 136131303 is about 11667.5320012417. The cubic root of 136131303 is about 514.4217634222.

Adding to 136131303 its reverse (303131631), we get a palindrome (439262934).

It can be divided in two parts, 13 and 6131303, that added together give a palindrome (6131316).

The spelling of 136131303 in words is "one hundred thirty-six million, one hundred thirty-one thousand, three hundred three".