131073647 has 16 divisors (see below), whose sum is σ = 144752640. Its totient is φ = 118218528.

The previous prime is 131073643. The next prime is 131073697. The reversal of 131073647 is 746370131.

It is a cyclic number.

It is not a de Polignac number, because 131073647 - 2² = 131073643 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131073643) 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, 31058 + ... + 35024.

It is an arithmetic number, because the mean of its divisors is an integer number (9047040).

Almost surely, 2^131073647 is an apocalyptic number.

131073647 is a deficient number, since it is larger than the sum of its proper divisors (13678993).

131073647 is a wasteful number, since it uses less digits than its factorization.

131073647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4070.

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 131073647 is about 11448.7399743378. The cubic root of 131073647 is about 507.9704642654.

The spelling of 131073647 in words is "one hundred thirty-one million, seventy-three thousand, six hundred forty-seven".