138785195 has 8 divisors (see below), whose sum is σ = 176338944. Its totient is φ = 104497024.

The previous prime is 138785173. The next prime is 138785203. The reversal of 138785195 is 591587831.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 138785195 - 2¹⁴ = 138768811 is a prime.

It is a super-2 number, since 2×138785195² = 38522660702376050, which contains 22 as substring.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 816299 + ... + 816468.

It is an arithmetic number, because the mean of its divisors is an integer number (22042368).

Almost surely, 2^138785195 is an apocalyptic number.

138785195 is a deficient number, since it is larger than the sum of its proper divisors (37553749).

138785195 is a wasteful number, since it uses less digits than its factorization.

138785195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1632789.

The product of its digits is 302400, while the sum is 47.

The square root of 138785195 is about 11780.7128392131. The cubic root of 138785195 is about 517.7431718296.

The spelling of 138785195 in words is "one hundred thirty-eight million, seven hundred eighty-five thousand, one hundred ninety-five".