138784167233226 has 48 divisors (see below), whose sum is σ = 301615076330568. Its totient is φ = 46120480358400.

The previous prime is 138784167233221. The next prime is 138784167233263. The reversal of 138784167233226 is 622332761487831.

138784167233226 is a `hidden beast` number, since 1 + 3 + 87 + 8 + 41 + 67 + 233 + 226 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 119825971715025 + 18958195518201 = 10946505^2 + 4354101^2 .

It is a super-2 number, since 2×138784167233226² (a number of 29 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (138784167233221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76634506 + ... + 78424586.

Almost surely, 2^{138784167233226} is an apocalyptic number.

138784167233226 is an abundant number, since it is smaller than the sum of its proper divisors (162830909097342).

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

138784167233226 is a wasteful number, since it uses less digits than its factorization.

138784167233226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1803207 (or 1803204 counting only the distinct ones).

The product of its digits is 97542144, while the sum is 63.

The spelling of 138784167233226 in words is "one hundred thirty-eight trillion, seven hundred eighty-four billion, one hundred sixty-seven million, two hundred thirty-three thousand, two hundred twenty-six".