138930150 has 48 divisors (see below), whose sum is σ = 345562704. Its totient is φ = 36938880.

The previous prime is 138930149. The next prime is 138930163. The reversal of 138930150 is 51039831.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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, 58384 + ... + 60716.

It is an arithmetic number, because the mean of its divisors is an integer number (7199223).

Almost surely, 2^138930150 is an apocalyptic number.

138930150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

138930150 is an abundant number, since it is smaller than the sum of its proper divisors (206632554).

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

138930150 is a wasteful number, since it uses less digits than its factorization.

138930150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2745 (or 2740 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 138930150 is about 11786.8634504689. The cubic root of 138930150 is about 517.9233623944.

Adding to 138930150 its reverse (51039831), we get a palindrome (189969981).

The spelling of 138930150 in words is "one hundred thirty-eight million, nine hundred thirty thousand, one hundred fifty".