138127574 has 16 divisors (see below), whose sum is σ = 223676880. Its totient is φ = 63594720.

The previous prime is 138127573. The next prime is 138127597. The reversal of 138127574 is 475721831.

138127574 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138127573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4637 + ... + 17255.

It is an arithmetic number, because the mean of its divisors is an integer number (13979805).

Almost surely, 2^138127574 is an apocalyptic number.

138127574 is a deficient number, since it is larger than the sum of its proper divisors (85549306).

138127574 is a wasteful number, since it uses less digits than its factorization.

138127574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13055.

The product of its digits is 47040, while the sum is 38.

The square root of 138127574 is about 11752.7687801641. The cubic root of 138127574 is about 516.9241171784.

The spelling of 138127574 in words is "one hundred thirty-eight million, one hundred twenty-seven thousand, five hundred seventy-four".