138258600 has 48 divisors (see below), whose sum is σ = 428603520. Its totient is φ = 36868800.

The previous prime is 138258583. The next prime is 138258613. The reversal of 138258600 is 6852831.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 114616 + ... + 115815.

It is an arithmetic number, because the mean of its divisors is an integer number (8929240).

Almost surely, 2^138258600 is an apocalyptic number.

138258600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

138258600 is an abundant number, since it is smaller than the sum of its proper divisors (290344920).

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

138258600 is a wasteful number, since it uses less digits than its factorization.

138258600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230450 (or 230441 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 138258600 is about 11758.3417198175. The cubic root of 138258600 is about 517.0875146633.

The spelling of 138258600 in words is "one hundred thirty-eight million, two hundred fifty-eight thousand, six hundred".