138832099 has 8 divisors (see below), whose sum is σ = 158822240. Its totient is φ = 118881216.

The previous prime is 138832073. The next prime is 138832129. The reversal of 138832099 is 990238831.

It is a happy number.

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 138832099 - 2⁹ = 138831587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (138832009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1794 + ... + 16759.

It is an arithmetic number, because the mean of its divisors is an integer number (19852780).

Almost surely, 2^138832099 is an apocalyptic number.

138832099 is a deficient number, since it is larger than the sum of its proper divisors (19990141).

138832099 is a wasteful number, since it uses less digits than its factorization.

138832099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19629.

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 138832099 is about 11782.7033825010. The cubic root of 138832099 is about 517.8014909477.

The spelling of 138832099 in words is "one hundred thirty-eight million, eight hundred thirty-two thousand, ninety-nine".