131345834 has 16 divisors (see below), whose sum is σ = 200950848. Its totient is φ = 64373472.

The previous prime is 131345833. The next prime is 131345839. The reversal of 131345834 is 438543131.

It is a self number, because there is not a number n which added to its sum of digits gives 131345834.

It is not an unprimeable number, because it can be changed into a prime (131345833) 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, 21689 + ... + 27075.

It is an arithmetic number, because the mean of its divisors is an integer number (12559428).

Almost surely, 2^131345834 is an apocalyptic number.

131345834 is a deficient number, since it is larger than the sum of its proper divisors (69605014).

131345834 is a wasteful number, since it uses less digits than its factorization.

131345834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5629.

The product of its digits is 17280, while the sum is 32.

The square root of 131345834 is about 11460.6210128422. The cubic root of 131345834 is about 508.3218376211.

Adding to 131345834 its reverse (438543131), we get a palindrome (569888965).

The spelling of 131345834 in words is "one hundred thirty-one million, three hundred forty-five thousand, eight hundred thirty-four".