138695335 has 4 divisors (see below), whose sum is σ = 166434408. Its totient is φ = 110956264.

The previous prime is 138695327. The next prime is 138695341. The reversal of 138695335 is 533596831.

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 138695335 - 2³ = 138695327 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 138695291 and 138695300.

It is a congruent number.

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, 13869529 + ... + 13869538.

It is an arithmetic number, because the mean of its divisors is an integer number (41608602).

Almost surely, 2^138695335 is an apocalyptic number.

138695335 is a deficient number, since it is larger than the sum of its proper divisors (27739073).

138695335 is an equidigital number, since it uses as much as digits as its factorization.

138695335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27739072.

The product of its digits is 291600, while the sum is 43.

The square root of 138695335 is about 11776.8983607739. The cubic root of 138695335 is about 517.6314057146.

It can be divided in two parts, 1386 and 95335, that added together give a square (96721 = 311²).

The spelling of 138695335 in words is "one hundred thirty-eight million, six hundred ninety-five thousand, three hundred thirty-five".