138310050 has 24 divisors (see below), whose sum is σ = 343009296. Its totient is φ = 36882640.

The previous prime is 138310037. The next prime is 138310057. The reversal of 138310050 is 50013831.

It is a happy number.

138310050 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 138309999 and 138310026.

It is not an unprimeable number, because it can be changed into a prime (138310057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 460884 + ... + 461183.

It is an arithmetic number, because the mean of its divisors is an integer number (14292054).

Almost surely, 2^138310050 is an apocalyptic number.

138310050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

138310050 is an abundant number, since it is smaller than the sum of its proper divisors (204699246).

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

138310050 is a wasteful number, since it uses less digits than its factorization.

138310050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922082 (or 922077 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 138310050 is about 11760.5293248221. The cubic root of 138310050 is about 517.1516477522.

Adding to 138310050 its reverse (50013831), we get a palindrome (188323881).

The spelling of 138310050 in words is "one hundred thirty-eight million, three hundred ten thousand, fifty".