136099481 has 8 divisors (see below), whose sum is σ = 155633664. Its totient is φ = 116588160.

The previous prime is 136099477. The next prime is 136099493. The reversal of 136099481 is 184990631.

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 136099481 - 2² = 136099477 is a prime.

It is a super-2 number, since 2×136099481² = 37046137456938722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (136099421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9896 + ... + 19238.

It is an arithmetic number, because the mean of its divisors is an integer number (19454208).

Almost surely, 2^136099481 is an apocalyptic number.

It is an amenable number.

136099481 is a deficient number, since it is larger than the sum of its proper divisors (19534183).

136099481 is an equidigital number, since it uses as much as digits as its factorization.

136099481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11431.

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 136099481 is about 11666.1682226856. The cubic root of 136099481 is about 514.3816766219.

The spelling of 136099481 in words is "one hundred thirty-six million, ninety-nine thousand, four hundred eighty-one".