138854248 has 16 divisors (see below), whose sum is σ = 280378980. Its totient is φ = 64086528.

The previous prime is 138854237. The next prime is 138854251. The reversal of 138854248 is 842458831.

It is a happy number.

138854248 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 117896164 + 20958084 = 10858^2 + 4578^2 .

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, 667465 + ... + 667672.

Almost surely, 2^138854248 is an apocalyptic number.

It is an amenable number.

138854248 is an abundant number, since it is smaller than the sum of its proper divisors (141524732).

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

138854248 is a wasteful number, since it uses less digits than its factorization.

138854248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1335156 (or 1335152 counting only the distinct ones).

The product of its digits is 245760, while the sum is 43.

The square root of 138854248 is about 11783.6432396776. The cubic root of 138854248 is about 517.8290258272.

The spelling of 138854248 in words is "one hundred thirty-eight million, eight hundred fifty-four thousand, two hundred forty-eight".