136753905 has 32 divisors (see below), whose sum is σ = 222163200. Its totient is φ = 71827200.

The previous prime is 136753891. The next prime is 136753909. The reversal of 136753905 is 509357631.

It is not a de Polignac number, because 136753905 - 2⁵ = 136753873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (136753909) 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 31 ways as a sum of consecutive naturals, for example, 391671 + ... + 392019.

It is an arithmetic number, because the mean of its divisors is an integer number (6942600).

Almost surely, 2^136753905 is an apocalyptic number.

136753905 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

136753905 is a deficient number, since it is larger than the sum of its proper divisors (85409295).

136753905 is a wasteful number, since it uses less digits than its factorization.

136753905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681.

The product of its (nonzero) digits is 85050, while the sum is 39.

The square root of 136753905 is about 11694.1825280778. The cubic root of 136753905 is about 515.2048137502.

The spelling of 136753905 in words is "one hundred thirty-six million, seven hundred fifty-three thousand, nine hundred five".