138037085 has 8 divisors (see below), whose sum is σ = 168117216. Its totient is φ = 108781200.

The previous prime is 138037057. The next prime is 138037117. The reversal of 138037085 is 580730831.

138037085 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 138037085 - 2⁶ = 138037021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205691 + ... + 206360.

It is an arithmetic number, because the mean of its divisors is an integer number (21014652).

Almost surely, 2^138037085 is an apocalyptic number.

It is an amenable number.

138037085 is a deficient number, since it is larger than the sum of its proper divisors (30080131).

138037085 is an equidigital number, since it uses as much as digits as its factorization.

138037085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412123.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 138037085 is about 11748.9184608627. The cubic root of 138037085 is about 516.8112114944.

The spelling of 138037085 in words is "one hundred thirty-eight million, thirty-seven thousand, eighty-five".