131487008 has 12 divisors (see below), whose sum is σ = 258865110. Its totient is φ = 65743488.

The previous prime is 131487007. The next prime is 131487053. The reversal of 131487008 is 800784131.

It can be written as a sum of positive squares in only one way, i.e., 120384784 + 11102224 = 10972^2 + 3332^2 .

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 4108969 = 131487008 / (1 + 3 + 1 + 4 + 8 + 7 + 0 + 0 + 8).

It is not an unprimeable number, because it can be changed into a prime (131487007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2054453 + ... + 2054516.

Almost surely, 2^131487008 is an apocalyptic number.

It is an amenable number.

131487008 is a deficient number, since it is larger than the sum of its proper divisors (127378102).

131487008 is an equidigital number, since it uses as much as digits as its factorization.

131487008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4108979 (or 4108971 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 131487008 is about 11466.7784490675. The cubic root of 131487008 is about 508.5038916936.

The spelling of 131487008 in words is "one hundred thirty-one million, four hundred eighty-seven thousand, eight".