138084097 has 4 divisors (see below), whose sum is σ = 138738736. Its totient is φ = 137429460.

The previous prime is 138084061. The next prime is 138084101. The reversal of 138084097 is 790480831.

138084097 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 790480831 = 7 ⋅112925833.

It is a cyclic number.

It is not a de Polignac number, because 138084097 - 2⁷ = 138083969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (138084007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 327003 + ... + 327424.

It is an arithmetic number, because the mean of its divisors is an integer number (34684684).

Almost surely, 2^138084097 is an apocalyptic number.

It is an amenable number.

138084097 is a deficient number, since it is larger than the sum of its proper divisors (654639).

138084097 is an equidigital number, since it uses as much as digits as its factorization.

138084097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654638.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 138084097 is about 11750.9189853390. The cubic root of 138084097 is about 516.8698758525.

The spelling of 138084097 in words is "one hundred thirty-eight million, eighty-four thousand, ninety-seven".