139200050 has 48 divisors (see below), whose sum is σ = 286401312. Its totient is φ = 49910400.

The previous prime is 139200037. The next prime is 139200079. The reversal of 139200050 is 50002931.

It is a junction number, because it is equal to n+sod(n) for n = 139199995 and 139200031.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38417 + ... + 41883.

It is an arithmetic number, because the mean of its divisors is an integer number (5966694).

Almost surely, 2^139200050 is an apocalyptic number.

139200050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139200050 is an abundant number, since it is smaller than the sum of its proper divisors (147201262).

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

139200050 is a wasteful number, since it uses less digits than its factorization.

139200050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3563 (or 3558 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 139200050 is about 11798.3070819504. The cubic root of 139200050 is about 518.2585358399.

Adding to 139200050 its reverse (50002931), we get a palindrome (189202981).

The spelling of 139200050 in words is "one hundred thirty-nine million, two hundred thousand, fifty".