814202039 has 4 divisors (see below), whose sum is σ = 930516624. Its totient is φ = 697887456.

The previous prime is 814202021. The next prime is 814202087. The reversal of 814202039 is 930202418.

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

It is a de Polignac number, because none of the positive numbers 2^k-814202039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (814202089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58157282 + ... + 58157295.

It is an arithmetic number, because the mean of its divisors is an integer number (232629156).

Almost surely, 2^814202039 is an apocalyptic number.

814202039 is a deficient number, since it is larger than the sum of its proper divisors (116314585).

814202039 is a wasteful number, since it uses less digits than its factorization.

814202039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116314584.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 814202039 is about 28534.2257473372. The cubic root of 814202039 is about 933.7789121450.

The spelling of 814202039 in words is "eight hundred fourteen million, two hundred two thousand, thirty-nine".