139282850 has 24 divisors (see below), whose sum is σ = 296076288. Its totient is φ = 47754000.

The previous prime is 139282849. The next prime is 139282859. The reversal of 139282850 is 58282931.

It is not an unprimeable number, because it can be changed into a prime (139282859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 198626 + ... + 199325.

It is an arithmetic number, because the mean of its divisors is an integer number (12336512).

Almost surely, 2^139282850 is an apocalyptic number.

139282850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139282850 is an abundant number, since it is smaller than the sum of its proper divisors (156793438).

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

139282850 is a wasteful number, since it uses less digits than its factorization.

139282850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397970 (or 397965 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 139282850 is about 11801.8155382975. The cubic root of 139282850 is about 518.3612735933.

The spelling of 139282850 in words is "one hundred thirty-nine million, two hundred eighty-two thousand, eight hundred fifty".