136348961 has 4 divisors (see below), whose sum is σ = 155827392. Its totient is φ = 116870532.

The previous prime is 136348951. The next prime is 136348963. The reversal of 136348961 is 169843631.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 136348961 - 2¹⁴ = 136332577 is a prime.

It is a super-3 number, since 3×136348961³ (a number of 25 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (136348963) 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, 9739205 + ... + 9739218.

It is an arithmetic number, because the mean of its divisors is an integer number (38956848).

Almost surely, 2^136348961 is an apocalyptic number.

It is an amenable number.

136348961 is a deficient number, since it is larger than the sum of its proper divisors (19478431).

136348961 is an equidigital number, since it uses as much as digits as its factorization.

136348961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19478430.

The product of its digits is 93312, while the sum is 41.

The square root of 136348961 is about 11676.8557839857. The cubic root of 136348961 is about 514.6957841362.

The spelling of 136348961 in words is "one hundred thirty-six million, three hundred forty-eight thousand, nine hundred sixty-one".