138486348 has 360 divisors, whose sum is σ = 502874064. Its totient is φ = 32659200.

The previous prime is 138486323. The next prime is 138486371. The reversal of 138486348 is 843684831.

138486348 is a `hidden beast` number, since 1 + 3 + 8 + 4 + 8 + 634 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 2270238 + ... + 2270298.

Almost surely, 2^138486348 is an apocalyptic number.

138486348 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 138486348, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251437032).

138486348 is an abundant number, since it is smaller than the sum of its proper divisors (364387716).

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

138486348 is a wasteful number, since it uses less digits than its factorization.

138486348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115 (or 97 counting only the distinct ones).

The product of its digits is 442368, while the sum is 45.

The square root of 138486348 is about 11768.0222637451. The cubic root of 138486348 is about 517.3712849383.

The spelling of 138486348 in words is "one hundred thirty-eight million, four hundred eighty-six thousand, three hundred forty-eight".