138014744 has 32 divisors (see below), whose sum is σ = 296440320. Its totient is φ = 59010336.

The previous prime is 138014731. The next prime is 138014761. The reversal of 138014744 is 447410831.

It is a super-3 number, since 3×138014744³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 138014744.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23267 + ... + 28589.

It is an arithmetic number, because the mean of its divisors is an integer number (9263760).

Almost surely, 2^138014744 is an apocalyptic number.

138014744 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

138014744 is an abundant number, since it is smaller than the sum of its proper divisors (158425576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

138014744 is a wasteful number, since it uses less digits than its factorization.

138014744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5799 (or 5795 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 138014744 is about 11747.9676540242. The cubic root of 138014744 is about 516.7833284024.

The spelling of 138014744 in words is "one hundred thirty-eight million, fourteen thousand, seven hundred forty-four".