138162150 has 144 divisors (see below), whose sum is σ = 442900224. Its totient is φ = 30191040.

The previous prime is 138162137. The next prime is 138162151. The reversal of 138162150 is 51261831.

138162150 is a `hidden beast` number, since 1 + 38 + 1 + 621 + 5 + 0 = 666.

138162150 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138162151) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 71497 + ... + 73403.

It is an arithmetic number, because the mean of its divisors is an integer number (3075696).

Almost surely, 2^138162150 is an apocalyptic number.

138162150 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 138162150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221450112).

138162150 is an abundant number, since it is smaller than the sum of its proper divisors (304738074).

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

138162150 is a wasteful number, since it uses less digits than its factorization.

138162150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1955 (or 1947 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 138162150 is about 11754.2396606501. The cubic root of 138162150 is about 516.9672456106.

The spelling of 138162150 in words is "one hundred thirty-eight million, one hundred sixty-two thousand, one hundred fifty".