138750282 has 24 divisors (see below), whose sum is σ = 327955680. Its totient is φ = 42045480.

The previous prime is 138750281. The next prime is 138750301. The reversal of 138750282 is 282057831.

It is not an unprimeable number, because it can be changed into a prime (138750281) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 350182 + ... + 350577.

It is an arithmetic number, because the mean of its divisors is an integer number (13664820).

Almost surely, 2^138750282 is an apocalyptic number.

138750282 is an abundant number, since it is smaller than the sum of its proper divisors (189205398).

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

138750282 is a wasteful number, since it uses less digits than its factorization.

138750282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700778 (or 700775 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 138750282 is about 11779.2309596170. The cubic root of 138750282 is about 517.6997534537.

The spelling of 138750282 in words is "one hundred thirty-eight million, seven hundred fifty thousand, two hundred eighty-two".