138755803 has 16 divisors (see below), whose sum is σ = 153504000. Its totient is φ = 124835040.

The previous prime is 138755789. The next prime is 138755821. The reversal of 138755803 is 308557831.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-138755803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (138755843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64048 + ... + 66178.

It is an arithmetic number, because the mean of its divisors is an integer number (9594000).

Almost surely, 2^138755803 is an apocalyptic number.

138755803 is a deficient number, since it is larger than the sum of its proper divisors (14748197).

138755803 is a wasteful number, since it uses less digits than its factorization.

138755803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2322.

The product of its (nonzero) digits is 100800, while the sum is 40.

The square root of 138755803 is about 11779.4653104460. The cubic root of 138755803 is about 517.7066199440.

The spelling of 138755803 in words is "one hundred thirty-eight million, seven hundred fifty-five thousand, eight hundred three".