674228340131 has 4 divisors (see below), whose sum is σ = 674236281264. Its totient is φ = 674220399000.

The previous prime is 674228340067. The next prime is 674228340139. The reversal of 674228340131 is 131043822476.

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

It is a cyclic number.

It is not a de Polignac number, because 674228340131 - 2⁶ = 674228340067 is a prime.

It is a super-2 number, since 2×674228340131² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (674228340139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3841820 + ... + 4013481.

It is an arithmetic number, because the mean of its divisors is an integer number (168559070316).

Almost surely, 2^674228340131 is an apocalyptic number.

674228340131 is a deficient number, since it is larger than the sum of its proper divisors (7941133).

674228340131 is an equidigital number, since it uses as much as digits as its factorization.

674228340131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7941132.

The product of its (nonzero) digits is 193536, while the sum is 41.

The spelling of 674228340131 in words is "six hundred seventy-four billion, two hundred twenty-eight million, three hundred forty thousand, one hundred thirty-one".