138780119 has 2 divisors, whose sum is σ = 138780120. Its totient is φ = 138780118.

The previous prime is 138780107. The next prime is 138780127. The reversal of 138780119 is 911087831.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 138780119 - 2⁸ = 138779863 is a prime.

It is a super-2 number, since 2×138780119² = 38519842859308322, which contains 22 as substring.

It is equal to p_7847039 and since 138780119 and 7847039 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (138780179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69390059 + 69390060.

It is an arithmetic number, because the mean of its divisors is an integer number (69390060).

Almost surely, 2^138780119 is an apocalyptic number.

138780119 is a deficient number, since it is larger than the sum of its proper divisors (1).

138780119 is an equidigital number, since it uses as much as digits as its factorization.

138780119 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 38.

The square root of 138780119 is about 11780.4974003647. The cubic root of 138780119 is about 517.7368596856.

The spelling of 138780119 in words is "one hundred thirty-eight million, seven hundred eighty thousand, one hundred nineteen".