138003772 has 12 divisors (see below), whose sum is σ = 252007056. Its totient is φ = 66001760.

The previous prime is 138003763. The next prime is 138003781. The reversal of 138003772 is 277300831.

138003772 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (138003763) and next prime (138003781).

138003772 is a modest number, since divided by 3772 gives 1380 as remainder.

138003772 is strictly pandigital in base 9.

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, 749929 + ... + 750112.

It is an arithmetic number, because the mean of its divisors is an integer number (21000588).

Almost surely, 2^138003772 is an apocalyptic number.

It is an amenable number.

138003772 is a deficient number, since it is larger than the sum of its proper divisors (114003284).

138003772 is a wasteful number, since it uses less digits than its factorization.

138003772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1500068 (or 1500066 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 138003772 is about 11747.5006703554. The cubic root of 138003772 is about 516.7696334961.

The spelling of 138003772 in words is "one hundred thirty-eight million, three thousand, seven hundred seventy-two".