138360011 has 4 divisors (see below), whose sum is σ = 138384024. Its totient is φ = 138336000.

The previous prime is 138360007. The next prime is 138360031. The reversal of 138360011 is 110063831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110063831 = 17 ⋅6474343.

It is a cyclic number.

It is not a de Polignac number, because 138360011 - 2² = 138360007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (138360031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2396 + ... + 16806.

It is an arithmetic number, because the mean of its divisors is an integer number (34596006).

Almost surely, 2^138360011 is an apocalyptic number.

138360011 is a deficient number, since it is larger than the sum of its proper divisors (24013).

138360011 is an equidigital number, since it uses as much as digits as its factorization.

138360011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24012.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 138360011 is about 11762.6532296077. The cubic root of 138360011 is about 517.2139095644.

The spelling of 138360011 in words is "one hundred thirty-eight million, three hundred sixty thousand, eleven".