138922451748586 has 32 divisors (see below), whose sum is σ = 229946805998208. Its totient is φ = 62421226530240.

The previous prime is 138922451748581. The next prime is 138922451748607. The reversal of 138922451748586 is 685847154229831.

It is not an unprimeable number, because it can be changed into a prime (138922451748581) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53771365 + ... + 56295688.

It is an arithmetic number, because the mean of its divisors is an integer number (7185837687444).

Almost surely, 2^{138922451748586} is an apocalyptic number.

138922451748586 is a deficient number, since it is larger than the sum of its proper divisors (91024354249622).

138922451748586 is a wasteful number, since it uses less digits than its factorization.

138922451748586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110067726.

The product of its digits is 928972800, while the sum is 73.

The spelling of 138922451748586 in words is "one hundred thirty-eight trillion, nine hundred twenty-two billion, four hundred fifty-one million, seven hundred forty-eight thousand, five hundred eighty-six".