138094497 has 16 divisors (see below), whose sum is σ = 204814080. Its totient is φ = 91959696.

The previous prime is 138094459. The next prime is 138094499. The reversal of 138094497 is 794490831.

It is not a de Polignac number, because 138094497 - 2²⁶ = 70985633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (138094499) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 27463 + ... + 32099.

It is an arithmetic number, because the mean of its divisors is an integer number (12800880).

Almost surely, 2^138094497 is an apocalyptic number.

It is an amenable number.

138094497 is a deficient number, since it is larger than the sum of its proper divisors (66719583).

138094497 is a wasteful number, since it uses less digits than its factorization.

138094497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5749 (or 5743 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 138094497 is about 11751.3614955885. The cubic root of 138094497 is about 516.8828517898.

The spelling of 138094497 in words is "one hundred thirty-eight million, ninety-four thousand, four hundred ninety-seven".