138333187853626 has 8 divisors (see below), whose sum is σ = 208238215168404. Its totient is φ = 68920449464160.

The previous prime is 138333187853521. The next prime is 138333187853671. The reversal of 138333187853626 is 626358781333831.

It can be written as a sum of positive squares in 2 ways, for example, as 126648036947601 + 11685150906025 = 11253801^2 + 3418355^2 .

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

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, 123072230625 + ... + 123072231748.

Almost surely, 2^{138333187853626} is an apocalyptic number.

138333187853626 is a deficient number, since it is larger than the sum of its proper divisors (69905027314778).

138333187853626 is a wasteful number, since it uses less digits than its factorization.

138333187853626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246144462656.

The product of its digits is 313528320, while the sum is 67.

The spelling of 138333187853626 in words is "one hundred thirty-eight trillion, three hundred thirty-three billion, one hundred eighty-seven million, eight hundred fifty-three thousand, six hundred twenty-six".