131734705 has 16 divisors (see below), whose sum is σ = 161038800. Its totient is φ = 103431168.

The previous prime is 131734703. The next prime is 131734711. The reversal of 131734705 is 507437131.

It can be written as a sum of positive squares in 8 ways, for example, as 9941409 + 121793296 = 3153^2 + 11036^2 .

It is a cyclic number.

It is not a de Polignac number, because 131734705 - 2¹ = 131734703 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131734703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84271 + ... + 85819.

It is an arithmetic number, because the mean of its divisors is an integer number (10064925).

Almost surely, 2^131734705 is an apocalyptic number.

It is an amenable number.

131734705 is a deficient number, since it is larger than the sum of its proper divisors (29304095).

131734705 is a wasteful number, since it uses less digits than its factorization.

131734705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1860.

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 131734705 is about 11477.5740032465. The cubic root of 131734705 is about 508.8230002281.

The spelling of 131734705 in words is "one hundred thirty-one million, seven hundred thirty-four thousand, seven hundred five".