131133847 has 4 divisors (see below), whose sum is σ = 141221080. Its totient is φ = 121046616.

The previous prime is 131133841. The next prime is 131133881. The reversal of 131133847 is 748331131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 748331131 = 19 ⋅39385849.

It is a cyclic number.

It is not a de Polignac number, because 131133847 - 2¹⁵ = 131101079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131133841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5043597 + ... + 5043622.

It is an arithmetic number, because the mean of its divisors is an integer number (35305270).

Almost surely, 2^131133847 is an apocalyptic number.

131133847 is a deficient number, since it is larger than the sum of its proper divisors (10087233).

131133847 is a wasteful number, since it uses less digits than its factorization.

131133847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10087232.

The product of its digits is 6048, while the sum is 31.

The square root of 131133847 is about 11451.3687828137. The cubic root of 131133847 is about 508.0482198942.

Adding to 131133847 its reverse (748331131), we get a palindrome (879464978).

The spelling of 131133847 in words is "one hundred thirty-one million, one hundred thirty-three thousand, eight hundred forty-seven".