138302099 has 8 divisors (see below), whose sum is σ = 149055312. Its totient is φ = 127565280.

The previous prime is 138302057. The next prime is 138302113. The reversal of 138302099 is 990203831.

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

It is a cyclic number.

It is not a de Polignac number, because 138302099 - 2⁸ = 138301843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (138302009) 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 7 ways as a sum of consecutive naturals, for example, 17792 + ... + 24354.

It is an arithmetic number, because the mean of its divisors is an integer number (18631914).

Almost surely, 2^138302099 is an apocalyptic number.

138302099 is a deficient number, since it is larger than the sum of its proper divisors (10753213).

138302099 is a wasteful number, since it uses less digits than its factorization.

138302099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8197.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 138302099 is about 11760.1912824580. The cubic root of 138302099 is about 517.1417377672.

The spelling of 138302099 in words is "one hundred thirty-eight million, three hundred two thousand, ninety-nine".