203940334039 has 8 divisors (see below), whose sum is σ = 219638476512. Its totient is φ = 188243680800.

The previous prime is 203940334027. The next prime is 203940334057. The reversal of 203940334039 is 930433049302.

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 203940334039 - 2²³ = 203931945431 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 203940333992 and 203940334010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203940334009) 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, 79339 + ... + 643564.

It is an arithmetic number, because the mean of its divisors is an integer number (27454809564).

Almost surely, 2^203940334039 is an apocalyptic number.

203940334039 is a deficient number, since it is larger than the sum of its proper divisors (15698142473).

203940334039 is a wasteful number, since it uses less digits than its factorization.

203940334039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744617.

The product of its (nonzero) digits is 209952, while the sum is 40.

The spelling of 203940334039 in words is "two hundred three billion, nine hundred forty million, three hundred thirty-four thousand, thirty-nine".