138750803 has 2 divisors, whose sum is σ = 138750804. Its totient is φ = 138750802.

The previous prime is 138750797. The next prime is 138750817. The reversal of 138750803 is 308057831.

It is a weak prime.

It is an emirp because it is prime and its reverse (308057831) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-138750803 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (138750893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69375401 + 69375402.

It is an arithmetic number, because the mean of its divisors is an integer number (69375402).

Almost surely, 2^138750803 is an apocalyptic number.

138750803 is a deficient number, since it is larger than the sum of its proper divisors (1).

138750803 is an equidigital number, since it uses as much as digits as its factorization.

138750803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 138750803 is about 11779.2530747921. The cubic root of 138750803 is about 517.7004014313.

The spelling of 138750803 in words is "one hundred thirty-eight million, seven hundred fifty thousand, eight hundred three".