138362850 has 96 divisors (see below), whose sum is σ = 385064640. Its totient is φ = 36529920.

The previous prime is 138362843. The next prime is 138362897. The reversal of 138362850 is 58263831.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 152097 + ... + 153003.

It is an arithmetic number, because the mean of its divisors is an integer number (4011090).

Almost surely, 2^138362850 is an apocalyptic number.

138362850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 138362850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192532320).

138362850 is an abundant number, since it is smaller than the sum of its proper divisors (246701790).

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

138362850 is a wasteful number, since it uses less digits than its factorization.

138362850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041 (or 1030 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 138362850 is about 11762.7739075441. The cubic root of 138362850 is about 517.2174470996.

The spelling of 138362850 in words is "one hundred thirty-eight million, three hundred sixty-two thousand, eight hundred fifty".