138053441025 has 72 divisors (see below), whose sum is σ = 250290855360. Its totient is φ = 72732654720.

The previous prime is 138053441023. The next prime is 138053441027. The reversal of 138053441025 is 520144350831.

138053441025 is a `hidden beast` number, since 1 + 3 + 80 + 534 + 41 + 0 + 2 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (138053441023) and next prime (138053441027).

It is not a de Polignac number, because 138053441025 - 2¹ = 138053441023 is a prime.

It is not an unprimeable number, because it can be changed into a prime (138053441023) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 8634939 + ... + 8650911.

It is an arithmetic number, because the mean of its divisors is an integer number (3476261880).

Almost surely, 2^138053441025 is an apocalyptic number.

138053441025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

138053441025 is a deficient number, since it is larger than the sum of its proper divisors (112237414335).

138053441025 is a wasteful number, since it uses less digits than its factorization.

138053441025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16455 (or 16447 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

Adding to 138053441025 its reverse (520144350831), we get a palindrome (658197791856).

The spelling of 138053441025 in words is "one hundred thirty-eight billion, fifty-three million, four hundred forty-one thousand, twenty-five".