138097085 has 8 divisors (see below), whose sum is σ = 189390336. Its totient is φ = 94695120.

The previous prime is 138097079. The next prime is 138097087. The reversal of 138097085 is 580790831.

It is a happy number.

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

It is not a de Polignac number, because 138097085 - 2⁶ = 138097021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138097087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1972781 + ... + 1972850.

It is an arithmetic number, because the mean of its divisors is an integer number (23673792).

Almost surely, 2^138097085 is an apocalyptic number.

It is an amenable number.

138097085 is a deficient number, since it is larger than the sum of its proper divisors (51293251).

138097085 is an equidigital number, since it uses as much as digits as its factorization.

138097085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3945643.

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 138097085 is about 11751.4716099729. The cubic root of 138097085 is about 516.8860807007.

The spelling of 138097085 in words is "one hundred thirty-eight million, ninety-seven thousand, eighty-five".