131347738 has 16 divisors (see below), whose sum is σ = 200755584. Its totient is φ = 64437120.

The previous prime is 131347717. The next prime is 131347739. The reversal of 131347738 is 837743131.

It is a junction number, because it is equal to n+sod(n) for n = 131347697 and 131347706.

It is not an unprimeable number, because it can be changed into a prime (131347739) 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, 34506 + ... + 38122.

It is an arithmetic number, because the mean of its divisors is an integer number (12547224).

Almost surely, 2^131347738 is an apocalyptic number.

131347738 is a deficient number, since it is larger than the sum of its proper divisors (69407846).

131347738 is a wasteful number, since it uses less digits than its factorization.

131347738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3957.

The product of its digits is 42336, while the sum is 37.

The square root of 131347738 is about 11460.7040795930. The cubic root of 131347738 is about 508.3242938343.

The spelling of 131347738 in words is "one hundred thirty-one million, three hundred forty-seven thousand, seven hundred thirty-eight".