138150788 has 12 divisors (see below), whose sum is σ = 252275520. Its totient is φ = 66072072.

The previous prime is 138150769. The next prime is 138150799. The reversal of 138150788 is 887051831.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 750728 + ... + 750911.

It is an arithmetic number, because the mean of its divisors is an integer number (21022960).

Almost surely, 2^138150788 is an apocalyptic number.

It is an amenable number.

138150788 is a deficient number, since it is larger than the sum of its proper divisors (114124732).

138150788 is a wasteful number, since it uses less digits than its factorization.

138150788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1501666 (or 1501664 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 41.

The square root of 138150788 is about 11753.7563357422. The cubic root of 138150788 is about 516.9530739945.

The spelling of 138150788 in words is "one hundred thirty-eight million, one hundred fifty thousand, seven hundred eighty-eight".