138452803 has 4 divisors (see below), whose sum is σ = 138632688. Its totient is φ = 138272920.

The previous prime is 138452773. The next prime is 138452807. The reversal of 138452803 is 308254831.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 138452803 - 2⁵ = 138452771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (138452807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88783 + ... + 90328.

It is an arithmetic number, because the mean of its divisors is an integer number (34658172).

Almost surely, 2^138452803 is an apocalyptic number.

138452803 is a deficient number, since it is larger than the sum of its proper divisors (179885).

138452803 is an equidigital number, since it uses as much as digits as its factorization.

138452803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179884.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 138452803 is about 11766.5969166960. The cubic root of 138452803 is about 517.3295079653.

The spelling of 138452803 in words is "one hundred thirty-eight million, four hundred fifty-two thousand, eight hundred three".