138076469407 has 2 divisors, whose sum is σ = 138076469408. Its totient is φ = 138076469406.

The previous prime is 138076469339. The next prime is 138076469449. The reversal of 138076469407 is 704964670831.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 138076469407 - 2¹¹ = 138076467359 is a prime.

It is a super-2 number, since 2×138076469407² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (138076460407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69038234703 + 69038234704.

It is an arithmetic number, because the mean of its divisors is an integer number (69038234704).

Almost surely, 2^138076469407 is an apocalyptic number.

138076469407 is a deficient number, since it is larger than the sum of its proper divisors (1).

138076469407 is an equidigital number, since it uses as much as digits as its factorization.

138076469407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6096384, while the sum is 55.

The spelling of 138076469407 in words is "one hundred thirty-eight billion, seventy-six million, four hundred sixty-nine thousand, four hundred seven".