138036500 has 48 divisors (see below), whose sum is σ = 344547840. Its totient is φ = 47325600.

The previous prime is 138036497. The next prime is 138036511. The reversal of 138036500 is 5630831.

It is a self number, because there is not a number n which added to its sum of digits gives 138036500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16220 + ... + 23219.

It is an arithmetic number, because the mean of its divisors is an integer number (7178080).

Almost surely, 2^138036500 is an apocalyptic number.

138036500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

138036500 is an abundant number, since it is smaller than the sum of its proper divisors (206511340).

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

138036500 is a wasteful number, since it uses less digits than its factorization.

138036500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39465 (or 39453 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 138036500 is about 11748.8935649277. The cubic root of 138036500 is about 516.8104814129.

The spelling of 138036500 in words is "one hundred thirty-eight million, thirty-six thousand, five hundred".