138084248 has 16 divisors (see below), whose sum is σ = 272535000. Its totient is φ = 65408256.

The previous prime is 138084197. The next prime is 138084329. The reversal of 138084248 is 842480831.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 454073 + ... + 454376.

Almost surely, 2^138084248 is an apocalyptic number.

It is an amenable number.

138084248 is a deficient number, since it is larger than the sum of its proper divisors (134450752).

138084248 is a wasteful number, since it uses less digits than its factorization.

138084248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 908474 (or 908470 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 38.

The square root of 138084248 is about 11750.9254103666. The cubic root of 138084248 is about 516.8700642578.

The spelling of 138084248 in words is "one hundred thirty-eight million, eighty-four thousand, two hundred forty-eight".