139430803 has 8 divisors (see below), whose sum is σ = 142747776. Its totient is φ = 136152000.

The previous prime is 139430801. The next prime is 139430827. The reversal of 139430803 is 308034931.

139430803 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 139430803 - 2¹ = 139430801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (139430801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2083 + ... + 16828.

It is an arithmetic number, because the mean of its divisors is an integer number (17843472).

Almost surely, 2^139430803 is an apocalyptic number.

139430803 is a deficient number, since it is larger than the sum of its proper divisors (3316973).

139430803 is a wasteful number, since it uses less digits than its factorization.

139430803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19085.

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

The square root of 139430803 is about 11808.0821050669. The cubic root of 139430803 is about 518.5447514726.

The spelling of 139430803 in words is "one hundred thirty-nine million, four hundred thirty thousand, eight hundred three".