138361235 has 8 divisors (see below), whose sum is σ = 166239216. Its totient is φ = 110551840.

The previous prime is 138361199. The next prime is 138361243. The reversal of 138361235 is 532163831.

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

It is not a de Polignac number, because 138361235 - 2¹² = 138357139 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12596 + ... + 20865.

It is an arithmetic number, because the mean of its divisors is an integer number (20779902).

Almost surely, 2^138361235 is an apocalyptic number.

138361235 is a deficient number, since it is larger than the sum of its proper divisors (27877981).

138361235 is an equidigital number, since it uses as much as digits as its factorization.

138361235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34293.

The product of its digits is 12960, while the sum is 32.

The square root of 138361235 is about 11762.7052585704. The cubic root of 138361235 is about 517.2154347352.

The spelling of 138361235 in words is "one hundred thirty-eight million, three hundred sixty-one thousand, two hundred thirty-five".