139434203 has 8 divisors (see below), whose sum is σ = 140979696. Its totient is φ = 137894400.

The previous prime is 139434193. The next prime is 139434209. The reversal of 139434203 is 302434931.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-139434203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (139434209) 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, 63443 + ... + 65603.

It is an arithmetic number, because the mean of its divisors is an integer number (17622462).

Almost surely, 2^139434203 is an apocalyptic number.

139434203 is a deficient number, since it is larger than the sum of its proper divisors (1545493).

139434203 is a wasteful number, since it uses less digits than its factorization.

139434203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2845.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 139434203 is about 11808.2260733778. The cubic root of 139434203 is about 518.5489663179.

The spelling of 139434203 in words is "one hundred thirty-nine million, four hundred thirty-four thousand, two hundred three".