136729005 has 16 divisors (see below), whose sum is σ = 250018944. Its totient is φ = 62504640.

The previous prime is 136729001. The next prime is 136729039. The reversal of 136729005 is 500927631.

It is not a de Polignac number, because 136729005 - 2² = 136729001 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136729001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 650986 + ... + 651195.

It is an arithmetic number, because the mean of its divisors is an integer number (15626184).

Almost surely, 2^136729005 is an apocalyptic number.

136729005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

136729005 is a deficient number, since it is larger than the sum of its proper divisors (113289939).

136729005 is a wasteful number, since it uses less digits than its factorization.

136729005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1302196.

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 136729005 is about 11693.1178476914. The cubic root of 136729005 is about 515.1735425444.

The spelling of 136729005 in words is "one hundred thirty-six million, seven hundred twenty-nine thousand, five".