136334261 has 8 divisors (see below), whose sum is σ = 156238080. Its totient is φ = 116537328.

The previous prime is 136334243. The next prime is 136334273. The reversal of 136334261 is 162433631.

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 136334261 - 2²² = 132139957 is a prime.

It is a super-2 number, since 2×136334261² = 37174061444832242, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136334201) 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, 23966 + ... + 29103.

It is an arithmetic number, because the mean of its divisors is an integer number (19529760).

Almost surely, 2^136334261 is an apocalyptic number.

It is an amenable number.

136334261 is a deficient number, since it is larger than the sum of its proper divisors (19903819).

136334261 is an equidigital number, since it uses as much as digits as its factorization.

136334261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53443.

The product of its digits is 7776, while the sum is 29.

The square root of 136334261 is about 11676.2263167515. The cubic root of 136334261 is about 514.6772867457.

Adding to 136334261 its reverse (162433631), we get a palindrome (298767892).

The spelling of 136334261 in words is "one hundred thirty-six million, three hundred thirty-four thousand, two hundred sixty-one".