131166043 has 16 divisors (see below), whose sum is σ = 140616000. Its totient is φ = 122129280.

The previous prime is 131166029. The next prime is 131166059. The reversal of 131166043 is 340661131.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 131166043 - 2¹⁷ = 131034971 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131165999 and 131166017.

It is not an unprimeable number, because it can be changed into a prime (131166943) 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, 93058 + ... + 94456.

It is an arithmetic number, because the mean of its divisors is an integer number (8788500).

Almost surely, 2^131166043 is an apocalyptic number.

131166043 is a deficient number, since it is larger than the sum of its proper divisors (9449957).

131166043 is a wasteful number, since it uses less digits than its factorization.

131166043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1542.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 131166043 is about 11452.7744673507. The cubic root of 131166043 is about 508.0897951813.

The spelling of 131166043 in words is "one hundred thirty-one million, one hundred sixty-six thousand, forty-three".