138095900 has 18 divisors (see below), whose sum is σ = 299668320. Its totient is φ = 55238320.

The previous prime is 138095821. The next prime is 138095927. The reversal of 138095900 is 9590831.

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 5 ways as a sum of consecutive naturals, for example, 690380 + ... + 690579.

It is an arithmetic number, because the mean of its divisors is an integer number (16648240).

Almost surely, 2^138095900 is an apocalyptic number.

138095900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

138095900 is an abundant number, since it is smaller than the sum of its proper divisors (161572420).

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

138095900 is a wasteful number, since it uses less digits than its factorization.

138095900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1380973 (or 1380966 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 138095900 is about 11751.4211906475. The cubic root of 138095900 is about 516.8846022438.

The spelling of 138095900 in words is "one hundred thirty-eight million, ninety-five thousand, nine hundred".