138389150 has 24 divisors (see below), whose sum is σ = 262884960. Its totient is φ = 54176960.

The previous prime is 138389143. The next prime is 138389159. The reversal of 138389150 is 51983831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138389159) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27095 + ... + 31794.

It is an arithmetic number, because the mean of its divisors is an integer number (10953540).

Almost surely, 2^138389150 is an apocalyptic number.

138389150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

138389150 is a deficient number, since it is larger than the sum of its proper divisors (124495810).

138389150 is a wasteful number, since it uses less digits than its factorization.

138389150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58948 (or 58943 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 138389150 is about 11763.8917880096. The cubic root of 138389150 is about 517.2502159078.

The spelling of 138389150 in words is "one hundred thirty-eight million, three hundred eighty-nine thousand, one hundred fifty".