136733505 has 32 divisors (see below), whose sum is σ = 229340160. Its totient is φ = 69432000.

The previous prime is 136733501. The next prime is 136733539. The reversal of 136733505 is 505337631.

It is not a de Polignac number, because 136733505 - 2² = 136733501 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (136733501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85806 + ... + 87384.

It is an arithmetic number, because the mean of its divisors is an integer number (7166880).

Almost surely, 2^136733505 is an apocalyptic number.

136733505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

136733505 is a deficient number, since it is larger than the sum of its proper divisors (92606655).

136733505 is a wasteful number, since it uses less digits than its factorization.

136733505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1861.

The product of its (nonzero) digits is 28350, while the sum is 33.

The square root of 136733505 is about 11693.3102669860. The cubic root of 136733505 is about 515.1791942482.

The spelling of 136733505 in words is "one hundred thirty-six million, seven hundred thirty-three thousand, five hundred five".