138025774 has 8 divisors (see below), whose sum is σ = 207178488. Its totient is φ = 68966280.

The previous prime is 138025757. The next prime is 138025813. The reversal of 138025774 is 477520831.

138025774 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×138025774² = 38102228576598152, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19477 + ... + 25600.

It is an arithmetic number, because the mean of its divisors is an integer number (25897311).

Almost surely, 2^138025774 is an apocalyptic number.

138025774 is a deficient number, since it is larger than the sum of its proper divisors (69152714).

138025774 is a wasteful number, since it uses less digits than its factorization.

138025774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46610.

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 138025774 is about 11748.4370875449. The cubic root of 138025774 is about 516.7970949708.

The spelling of 138025774 in words is "one hundred thirty-eight million, twenty-five thousand, seven hundred seventy-four".