138832358 has 8 divisors (see below), whose sum is σ = 237998352. Its totient is φ = 59499576.

The previous prime is 138832339. The next prime is 138832391. The reversal of 138832358 is 853238831.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4958285 + ... + 4958312.

It is an arithmetic number, because the mean of its divisors is an integer number (29749794).

Almost surely, 2^138832358 is an apocalyptic number.

138832358 is a deficient number, since it is larger than the sum of its proper divisors (99165994).

138832358 is an equidigital number, since it uses as much as digits as its factorization.

138832358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9916606.

The product of its digits is 138240, while the sum is 41.

The square root of 138832358 is about 11782.7143731824. The cubic root of 138832358 is about 517.8018129446.

The spelling of 138832358 in words is "one hundred thirty-eight million, eight hundred thirty-two thousand, three hundred fifty-eight".