138300284 has 12 divisors (see below), whose sum is σ = 243511464. Its totient is φ = 68725584.

The previous prime is 138300277. The next prime is 138300293. The reversal of 138300284 is 482003831.

It is a happy number.

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, 105407 + ... + 106710.

It is an arithmetic number, because the mean of its divisors is an integer number (20292622).

Almost surely, 2^138300284 is an apocalyptic number.

It is an amenable number.

138300284 is a deficient number, since it is larger than the sum of its proper divisors (105211180).

138300284 is a wasteful number, since it uses less digits than its factorization.

138300284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212284 (or 212282 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 138300284 is about 11760.1141150926. The cubic root of 138300284 is about 517.1394755303.

The spelling of 138300284 in words is "one hundred thirty-eight million, three hundred thousand, two hundred eighty-four".