138754602 has 48 divisors (see below), whose sum is σ = 346769280. Its totient is φ = 39276576.

The previous prime is 138754591. The next prime is 138754631. The reversal of 138754602 is 206457831.

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 23 ways as a sum of consecutive naturals, for example, 8683 + ... + 18785.

It is an arithmetic number, because the mean of its divisors is an integer number (7224360).

Almost surely, 2^138754602 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 138754602, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173384640).

138754602 is an abundant number, since it is smaller than the sum of its proper divisors (208014678).

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

138754602 is a wasteful number, since it uses less digits than its factorization.

138754602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10227 (or 10224 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 138754602 is about 11779.4143317909. The cubic root of 138754602 is about 517.7051262709.

The spelling of 138754602 in words is "one hundred thirty-eight million, seven hundred fifty-four thousand, six hundred two".