138683099 has 8 divisors (see below), whose sum is σ = 143142720. Its totient is φ = 134293896.

The previous prime is 138683089. The next prime is 138683107. The reversal of 138683099 is 990386831.

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 138683099 - 2¹² = 138679003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (138683089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13589 + ... + 21494.

It is an arithmetic number, because the mean of its divisors is an integer number (17892840).

Almost surely, 2^138683099 is an apocalyptic number.

138683099 is a deficient number, since it is larger than the sum of its proper divisors (4459621).

138683099 is an equidigital number, since it uses as much as digits as its factorization.

138683099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35209.

The product of its (nonzero) digits is 279936, while the sum is 47.

The square root of 138683099 is about 11776.3788576965. The cubic root of 138683099 is about 517.6161830826.

The spelling of 138683099 in words is "one hundred thirty-eight million, six hundred eighty-three thousand, ninety-nine".