138076718 has 24 divisors (see below), whose sum is σ = 224975808. Its totient is φ = 63528192.

The previous prime is 138076699. The next prime is 138076721. The reversal of 138076718 is 817670831.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 204830 + ... + 205502.

It is an arithmetic number, because the mean of its divisors is an integer number (9373992).

Almost surely, 2^138076718 is an apocalyptic number.

138076718 is a deficient number, since it is larger than the sum of its proper divisors (86899090).

138076718 is a wasteful number, since it uses less digits than its factorization.

138076718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1308 (or 1295 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 41.

The square root of 138076718 is about 11750.6050057008. The cubic root of 138076718 is about 516.8606687803.

The spelling of 138076718 in words is "one hundred thirty-eight million, seventy-six thousand, seven hundred eighteen".