138025144231 has 8 divisors (see below), whose sum is σ = 148656816000. Its totient is φ = 127395522912.

The previous prime is 138025144219. The next prime is 138025144247. The reversal of 138025144231 is 132441520831.

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

It is a cyclic number.

It is not a de Polignac number, because 138025144231 - 2¹⁵ = 138025111463 is a prime.

It is a super-2 number, since 2×138025144231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138025144291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 371356 + ... + 643393.

It is an arithmetic number, because the mean of its divisors is an integer number (18582102000).

Almost surely, 2^138025144231 is an apocalyptic number.

138025144231 is a deficient number, since it is larger than the sum of its proper divisors (10631671769).

138025144231 is a wasteful number, since it uses less digits than its factorization.

138025144231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025225.

The product of its (nonzero) digits is 23040, while the sum is 34.

The spelling of 138025144231 in words is "one hundred thirty-eight billion, twenty-five million, one hundred forty-four thousand, two hundred thirty-one".