138196376 has 8 divisors (see below), whose sum is σ = 259118220. Its totient is φ = 69098184.

The previous prime is 138196337. The next prime is 138196427. The reversal of 138196376 is 673691831.

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 8637266 + ... + 8637281.

Almost surely, 2^138196376 is an apocalyptic number.

It is an amenable number.

138196376 is a deficient number, since it is larger than the sum of its proper divisors (120921844).

138196376 is a wasteful number, since it uses less digits than its factorization.

138196376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17274553 (or 17274549 counting only the distinct ones).

The product of its digits is 163296, while the sum is 44.

The square root of 138196376 is about 11755.6954707070. The cubic root of 138196376 is about 517.0099303838.

The spelling of 138196376 in words is "one hundred thirty-eight million, one hundred ninety-six thousand, three hundred seventy-six".