138361348 has 12 divisors (see below), whose sum is σ = 242219740. Its totient is φ = 69155712.

The previous prime is 138361343. The next prime is 138361357. The reversal of 138361348 is 843163831.

It can be written as a sum of positive squares in 2 ways, for example, as 7441984 + 130919364 = 2728^2 + 11442^2 .

It is a super-3 number, since 3×138361348³ (a number of 25 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (37) 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 (138361343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12448 + ... + 20776.

Almost surely, 2^138361348 is an apocalyptic number.

It is an amenable number.

138361348 is a deficient number, since it is larger than the sum of its proper divisors (103858392).

138361348 is a wasteful number, since it uses less digits than its factorization.

138361348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12486 (or 12484 counting only the distinct ones).

The product of its digits is 41472, while the sum is 37.

The square root of 138361348 is about 11762.7100618862. The cubic root of 138361348 is about 517.2155755389.

The spelling of 138361348 in words is "one hundred thirty-eight million, three hundred sixty-one thousand, three hundred forty-eight".