131546132 has 6 divisors (see below), whose sum is σ = 230205738. Its totient is φ = 65773064.

The previous prime is 131546089. The next prime is 131546143. The reversal of 131546132 is 231645131.

It can be written as a sum of positive squares in only one way, i.e., 78605956 + 52940176 = 8866^2 + 7276^2 .

It is a super-2 number, since 2×131546132² = 34608769688322848, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16443263 + ... + 16443270.

It is an arithmetic number, because the mean of its divisors is an integer number (38367623).

Almost surely, 2^131546132 is an apocalyptic number.

It is an amenable number.

131546132 is a deficient number, since it is larger than the sum of its proper divisors (98659606).

131546132 is a wasteful number, since it uses less digits than its factorization.

131546132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32886537 (or 32886535 counting only the distinct ones).

The product of its digits is 2160, while the sum is 26.

The square root of 131546132 is about 11469.3562155859. The cubic root of 131546132 is about 508.5800976483.

The spelling of 131546132 in words is "one hundred thirty-one million, five hundred forty-six thousand, one hundred thirty-two".