138007011 has 8 divisors (see below), whose sum is σ = 186530320. Its totient is φ = 90744192.

The previous prime is 138006997. The next prime is 138007019. The reversal of 138007011 is 110700831.

138007011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 138007011 - 2⁹ = 138006499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (138007019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 314866 + ... + 315303.

It is an arithmetic number, because the mean of its divisors is an integer number (23316290).

Almost surely, 2^138007011 is an apocalyptic number.

138007011 is a deficient number, since it is larger than the sum of its proper divisors (48523309).

138007011 is an equidigital number, since it uses as much as digits as its factorization.

138007011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630245.

The product of its (nonzero) digits is 168, while the sum is 21.

The square root of 138007011 is about 11747.6385286576. The cubic root of 138007011 is about 516.7736763898.

Adding to 138007011 its reverse (110700831), we get a palindrome (248707842).

The spelling of 138007011 in words is "one hundred thirty-eight million, seven thousand, eleven".