138425031148 has 24 divisors (see below), whose sum is σ = 243290767104. Its totient is φ = 68913570000.

The previous prime is 138425031133. The next prime is 138425031149. The reversal of 138425031148 is 841130524831.

It is a super-2 number, since 2×138425031148² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 138425031148.

It is not an unprimeable number, because it can be changed into a prime (138425031149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3182161 + ... + 3225367.

It is an arithmetic number, because the mean of its divisors is an integer number (10137115296).

Almost surely, 2^138425031148 is an apocalyptic number.

It is an amenable number.

138425031148 is a deficient number, since it is larger than the sum of its proper divisors (104865735956).

138425031148 is a wasteful number, since it uses less digits than its factorization.

138425031148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46653 (or 46651 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 40.

Adding to 138425031148 its reverse (841130524831), we get a palindrome (979555555979).

The spelling of 138425031148 in words is "one hundred thirty-eight billion, four hundred twenty-five million, thirty-one thousand, one hundred forty-eight".