671731134 has 16 divisors (see below), whose sum is σ = 1345004688. Its totient is φ = 223653312.

The previous prime is 671731133. The next prime is 671731141. The reversal of 671731134 is 431137176.

671731134 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 671731095 and 671731104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671731133) 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, 58567 + ... + 69090.

It is an arithmetic number, because the mean of its divisors is an integer number (84062793).

Almost surely, 2^671731134 is an apocalyptic number.

671731134 is an abundant number, since it is smaller than the sum of its proper divisors (673273554).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

671731134 is a wasteful number, since it uses less digits than its factorization.

671731134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128539.

The product of its digits is 10584, while the sum is 33.

The square root of 671731134 is about 25917.7764092524. The cubic root of 671731134 is about 875.7869965424.

The spelling of 671731134 in words is "six hundred seventy-one million, seven hundred thirty-one thousand, one hundred thirty-four".