138601726162 has 8 divisors (see below), whose sum is σ = 208612155276. Its totient is φ = 69064341072.

The previous prime is 138601726157. The next prime is 138601726183. The reversal of 138601726162 is 261627106831.

It can be written as a sum of positive squares in 2 ways, for example, as 137196900801 + 1404825361 = 370401^2 + 37481^2 .

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

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 in 3 ways as a sum of consecutive naturals, for example, 118260273 + ... + 118261444.

Almost surely, 2^138601726162 is an apocalyptic number.

138601726162 is a deficient number, since it is larger than the sum of its proper divisors (70010429114).

138601726162 is a wasteful number, since it uses less digits than its factorization.

138601726162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236522012.

The product of its (nonzero) digits is 145152, while the sum is 43.

The spelling of 138601726162 in words is "one hundred thirty-eight billion, six hundred one million, seven hundred twenty-six thousand, one hundred sixty-two".