136414081 has 4 divisors (see below), whose sum is σ = 142345152. Its totient is φ = 130483012.

The previous prime is 136414067. The next prime is 136414087. The reversal of 136414081 is 180414631.

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, and also an emirpimes, since its reverse is a distinct semiprime: 180414631 = 367 ⋅491593.

It is a cyclic number.

It is not a de Polignac number, because 136414081 - 2⁹ = 136413569 is a prime.

It is a super-2 number, since 2×136414081² = 37217602990149122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136414087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2965501 + ... + 2965546.

It is an arithmetic number, because the mean of its divisors is an integer number (35586288).

Almost surely, 2^136414081 is an apocalyptic number.

It is an amenable number.

136414081 is a deficient number, since it is larger than the sum of its proper divisors (5931071).

136414081 is an equidigital number, since it uses as much as digits as its factorization.

136414081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5931070.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 136414081 is about 11679.6438729954. The cubic root of 136414081 is about 514.7777103319. Note that the first 4 decimals are identical.

The spelling of 136414081 in words is "one hundred thirty-six million, four hundred fourteen thousand, eighty-one".