397931003135 has 8 divisors (see below), whose sum is σ = 478869945840. Its totient is φ = 317442974464.

The previous prime is 397931003123. The next prime is 397931003137. The reversal of 397931003135 is 531300139793.

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-397931003135 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397931003137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112726565 + ... + 112730094.

It is an arithmetic number, because the mean of its divisors is an integer number (59858743230).

Almost surely, 2^397931003135 is an apocalyptic number.

397931003135 is a deficient number, since it is larger than the sum of its proper divisors (80938942705).

397931003135 is a wasteful number, since it uses less digits than its factorization.

397931003135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225457017.

The product of its (nonzero) digits is 229635, while the sum is 44.

The spelling of 397931003135 in words is "three hundred ninety-seven billion, nine hundred thirty-one million, three thousand, one hundred thirty-five".