131166054 has 28 divisors (see below), whose sum is σ = 294991956. Its totient is φ = 43721532.

The previous prime is 131166029. The next prime is 131166059. The reversal of 131166054 is 450661131.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131166059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 43524 + ... + 46439.

It is an arithmetic number, because the mean of its divisors is an integer number (10535427).

Almost surely, 2^131166054 is an apocalyptic number.

131166054 is an abundant number, since it is smaller than the sum of its proper divisors (163825902).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131166054 is an frugal number, since it uses more digits than its factorization.

131166054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89983 (or 89968 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 131166054 is about 11452.7749475837. The cubic root of 131166054 is about 508.0898093846.

The spelling of 131166054 in words is "one hundred thirty-one million, one hundred sixty-six thousand, fifty-four".