138070358 has 4 divisors (see below), whose sum is σ = 207105540. Its totient is φ = 69035178.

The previous prime is 138070343. The next prime is 138070393. The reversal of 138070358 is 853070831.

It is a semiprime because it is the product of two 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 as a sum of consecutive naturals, namely, 34517588 + ... + 34517591.

It is an arithmetic number, because the mean of its divisors is an integer number (51776385).

Almost surely, 2^138070358 is an apocalyptic number.

138070358 is a deficient number, since it is larger than the sum of its proper divisors (69035182).

138070358 is an equidigital number, since it uses as much as digits as its factorization.

138070358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69035181.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 138070358 is about 11750.3343782209. The cubic root of 138070358 is about 516.8527328918.

The spelling of 138070358 in words is "one hundred thirty-eight million, seventy thousand, three hundred fifty-eight".