139223803 has 2 divisors, whose sum is σ = 139223804. Its totient is φ = 139223802.

The previous prime is 139223771. The next prime is 139223813. The reversal of 139223803 is 308322931.

139223803 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 139223803 - 2⁵ = 139223771 is a prime.

It is not a weakly prime, because it can be changed into another prime (139223813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69611901 + 69611902.

It is an arithmetic number, because the mean of its divisors is an integer number (69611902).

Almost surely, 2^139223803 is an apocalyptic number.

139223803 is a deficient number, since it is larger than the sum of its proper divisors (1).

139223803 is an equidigital number, since it uses as much as digits as its factorization.

139223803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 139223803 is about 11799.3136664808. The cubic root of 139223803 is about 518.2880125891.

The spelling of 139223803 in words is "one hundred thirty-nine million, two hundred twenty-three thousand, eight hundred three".