138359706 has 8 divisors (see below), whose sum is σ = 276719424. Its totient is φ = 46119900.

The previous prime is 138359699. The next prime is 138359717. The reversal of 138359706 is 607953831.

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

138359706 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11529970 + ... + 11529981.

It is an arithmetic number, because the mean of its divisors is an integer number (34589928).

Almost surely, 2^138359706 is an apocalyptic number.

138359706 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

138359706 is a wasteful number, since it uses less digits than its factorization.

138359706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23059956.

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 138359706 is about 11762.6402648385. The cubic root of 138359706 is about 517.2135295163.

The spelling of 138359706 in words is "one hundred thirty-eight million, three hundred fifty-nine thousand, seven hundred six".