136331 has 4 divisors (see below), whose sum is σ = 146832. Its totient is φ = 125832.

The previous prime is 136327. The next prime is 136333. The reversal of 136331 is 133631.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 136331 - 2² = 136327 is a prime.

It is a super-2 number, since 2×136331² = 37172283122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5231 + ... + 5256.

It is an arithmetic number, because the mean of its divisors is an integer number (36708).

2¹³⁶³³¹ is an apocalyptic number.

136331 is a deficient number, since it is larger than the sum of its proper divisors (10501).

136331 is a wasteful number, since it uses less digits than its factorization.

136331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10500.

The product of its digits is 162, while the sum is 17.

The square root of 136331 is about 369.2302804484. The cubic root of 136331 is about 51.4673183165.

Adding to 136331 its reverse (133631), we get a palindrome (269962).

The spelling of 136331 in words is "one hundred thirty-six thousand, three hundred thirty-one".