131872229 has 4 divisors (see below), whose sum is σ = 132131820. Its totient is φ = 131613148.

The previous prime is 131872199. The next prime is 131872231. The reversal of 131872229 is 922278131.

The cubic root of 131872229 is 509.

It is a perfect power (a cube), and thus also a powerful number.

It can be written as a sum of positive squares in 2 ways, for example, as 80964004 + 50908225 = 8998^2 + 7135^2 .

It is not a de Polignac number, because 131872229 - 2⁸ = 131871973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131872249) 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 3 ways as a sum of consecutive naturals, for example, 258827 + ... + 259335.

It is an arithmetic number, because the mean of its divisors is an integer number (33032955).

Almost surely, 2^131872229 is an apocalyptic number.

It is an amenable number.

131872229 is a deficient number, since it is larger than the sum of its proper divisors (259591).

131872229 is an frugal number, since it uses more digits than its factorization.

131872229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1527 (or 509 counting only the distinct ones).

The product of its digits is 12096, while the sum is 35.

The square root of 131872229 is about 11483.5634277867.

The spelling of 131872229 in words is "one hundred thirty-one million, eight hundred seventy-two thousand, two hundred twenty-nine".