131506718 has 16 divisors (see below), whose sum is σ = 228295680. Its totient is φ = 55646136.

The previous prime is 131506717. The next prime is 131506741. The reversal of 131506718 is 817605131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131506717) 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, 58346 + ... + 60557.

It is an arithmetic number, because the mean of its divisors is an integer number (14268480).

Almost surely, 2^131506718 is an apocalyptic number.

131506718 is a deficient number, since it is larger than the sum of its proper divisors (96788962).

131506718 is a wasteful number, since it uses less digits than its factorization.

131506718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118991.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 131506718 is about 11467.6378561585. The cubic root of 131506718 is about 508.5292987943.

The spelling of 131506718 in words is "one hundred thirty-one million, five hundred six thousand, seven hundred eighteen".