138832195 has 4 divisors (see below), whose sum is σ = 166598640. Its totient is φ = 111065752.

The previous prime is 138832181. The next prime is 138832201. The reversal of 138832195 is 591238831.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 138832195 - 2⁹ = 138831683 is a prime.

It is a super-5 number, since 5×138832195⁵ (a number of 42 digits) contains 55555 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13883215 + ... + 13883224.

It is an arithmetic number, because the mean of its divisors is an integer number (41649660).

Almost surely, 2^138832195 is an apocalyptic number.

138832195 is a deficient number, since it is larger than the sum of its proper divisors (27766445).

138832195 is an equidigital number, since it uses as much as digits as its factorization.

138832195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27766444.

The product of its digits is 51840, while the sum is 40.

The square root of 138832195 is about 11782.7074562683. The cubic root of 138832195 is about 517.8016102979.

The spelling of 138832195 in words is "one hundred thirty-eight million, eight hundred thirty-two thousand, one hundred ninety-five".