138301798 has 8 divisors (see below), whose sum is σ = 218371320. Its totient is φ = 65511360.

The previous prime is 138301769. The next prime is 138301799. The reversal of 138301798 is 897103831.

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 138301798.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138301799) by changing a digit.

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, 1819723 + ... + 1819798.

It is an arithmetic number, because the mean of its divisors is an integer number (27296415).

Almost surely, 2^138301798 is an apocalyptic number.

138301798 is a deficient number, since it is larger than the sum of its proper divisors (80069522).

138301798 is a wasteful number, since it uses less digits than its factorization.

138301798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3639542.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 138301798 is about 11760.1784850401. The cubic root of 138301798 is about 517.1413625987.

The spelling of 138301798 in words is "one hundred thirty-eight million, three hundred one thousand, seven hundred ninety-eight".