100136009 has 2 divisors, whose sum is σ = 100136010. Its totient is φ = 100136008.

The previous prime is 100135999. The next prime is 100136041. The reversal of 100136009 is 900631001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95491984 + 4644025 = 9772^2 + 2155^2 .

It is a cyclic number.

It is not a de Polignac number, because 100136009 - 2⁴ = 100135993 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (100138009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50068004 + 50068005.

It is an arithmetic number, because the mean of its divisors is an integer number (50068005).

Almost surely, 2^100136009 is an apocalyptic number.

It is an amenable number.

100136009 is a deficient number, since it is larger than the sum of its proper divisors (1).

100136009 is an equidigital number, since it uses as much as digits as its factorization.

100136009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 100136009 is about 10006.7981392651. The cubic root of 100136009 is about 464.3692206494.

The spelling of 100136009 in words is "one hundred million, one hundred thirty-six thousand, nine".