671139230 has 8 divisors (see below), whose sum is σ = 1208050632. Its totient is φ = 268455688.

The previous prime is 671139229. The next prime is 671139233. The reversal of 671139230 is 32931176.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671139233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33556952 + ... + 33556971.

It is an arithmetic number, because the mean of its divisors is an integer number (151006329).

Almost surely, 2^671139230 is an apocalyptic number.

671139230 is a deficient number, since it is larger than the sum of its proper divisors (536911402).

671139230 is a wasteful number, since it uses less digits than its factorization.

671139230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67113930.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 671139230 is about 25906.3550118499. The cubic root of 671139230 is about 875.5296841872.

The spelling of 671139230 in words is "six hundred seventy-one million, one hundred thirty-nine thousand, two hundred thirty".