138907411 has 4 divisors (see below), whose sum is σ = 138959872. Its totient is φ = 138854952.

The previous prime is 138907399. The next prime is 138907441. The reversal of 138907411 is 114709831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 114709831 = 569 ⋅201599.

It is a cyclic number.

It is not a de Polignac number, because 138907411 - 2¹⁵ = 138874643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (138907441) 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 3 ways as a sum of consecutive naturals, for example, 22035 + ... + 27628.

It is an arithmetic number, because the mean of its divisors is an integer number (34739968).

Almost surely, 2^138907411 is an apocalyptic number.

138907411 is a deficient number, since it is larger than the sum of its proper divisors (52461).

138907411 is an equidigital number, since it uses as much as digits as its factorization.

138907411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52460.

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 138907411 is about 11785.8988202003. The cubic root of 138907411 is about 517.8951043047.

The spelling of 138907411 in words is "one hundred thirty-eight million, nine hundred seven thousand, four hundred eleven".