669431134 has 8 divisors (see below), whose sum is σ = 1063214208. Its totient is φ = 315026400.

The previous prime is 669431107. The next prime is 669431137. The reversal of 669431134 is 431134966.

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

It is a junction number, because it is equal to n+sod(n) for n = 669431093 and 669431102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (669431137) 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, 9844542 + ... + 9844609.

It is an arithmetic number, because the mean of its divisors is an integer number (132901776).

Almost surely, 2^669431134 is an apocalyptic number.

669431134 is a deficient number, since it is larger than the sum of its proper divisors (393783074).

669431134 is a wasteful number, since it uses less digits than its factorization.

669431134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19689170.

The product of its digits is 46656, while the sum is 37.

The square root of 669431134 is about 25873.3672721585. The cubic root of 669431134 is about 874.7862918631.

The spelling of 669431134 in words is "six hundred sixty-nine million, four hundred thirty-one thousand, one hundred thirty-four".