138381358 has 8 divisors (see below), whose sum is σ = 207838152. Its totient is φ = 69101976.

The previous prime is 138381329. The next prime is 138381361. The reversal of 138381358 is 853183831.

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

It is a self number, because there is not a number n which added to its sum of digits gives 138381358.

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, 42385 + ... + 45532.

It is an arithmetic number, because the mean of its divisors is an integer number (25979769).

Almost surely, 2^138381358 is an apocalyptic number.

138381358 is a deficient number, since it is larger than the sum of its proper divisors (69456794).

138381358 is an equidigital number, since it uses as much as digits as its factorization.

138381358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88706.

The product of its digits is 69120, while the sum is 40.

The square root of 138381358 is about 11763.5606004305. The cubic root of 138381358 is about 517.2405078025.

The spelling of 138381358 in words is "one hundred thirty-eight million, three hundred eighty-one thousand, three hundred fifty-eight".