131066632 has 8 divisors (see below), whose sum is σ = 245749950. Its totient is φ = 65533312.

The previous prime is 131066629. The next prime is 131066633. The reversal of 131066632 is 236660131.

It can be written as a sum of positive squares in only one way, i.e., 129640996 + 1425636 = 11386^2 + 1194^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 131066632.

It is not an unprimeable number, because it can be changed into a prime (131066633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8191657 + ... + 8191672.

Almost surely, 2^131066632 is an apocalyptic number.

It is an amenable number.

131066632 is a deficient number, since it is larger than the sum of its proper divisors (114683318).

131066632 is a wasteful number, since it uses less digits than its factorization.

131066632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16383335 (or 16383331 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 131066632 is about 11448.4336046465. The cubic root of 131066632 is about 507.9614019902.

The spelling of 131066632 in words is "one hundred thirty-one million, sixty-six thousand, six hundred thirty-two".