136122405 has 8 divisors (see below), whose sum is σ = 217795872. Its totient is φ = 72598608.

The previous prime is 136122373. The next prime is 136122449. The reversal of 136122405 is 504221631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 136122405 - 2⁵ = 136122373 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4537399 + ... + 4537428.

It is an arithmetic number, because the mean of its divisors is an integer number (27224484).

Almost surely, 2^136122405 is an apocalyptic number.

136122405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

136122405 is a deficient number, since it is larger than the sum of its proper divisors (81673467).

136122405 is an equidigital number, since it uses as much as digits as its factorization.

136122405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9074835.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 136122405 is about 11667.1506804361. The cubic root of 136122405 is about 514.4105550655.

The spelling of 136122405 in words is "one hundred thirty-six million, one hundred twenty-two thousand, four hundred five".