131630760 has 48 divisors (see below), whose sum is σ = 427801140. Its totient is φ = 35101440.

The previous prime is 131630749. The next prime is 131630773. The reversal of 131630760 is 67036131.

It can be written as a sum of positive squares in 2 ways, for example, as 131469156 + 161604 = 11466^2 + 402^2 .

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 182461 + ... + 183180.

Almost surely, 2^131630760 is an apocalyptic number.

131630760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131630760 is an abundant number, since it is smaller than the sum of its proper divisors (296170380).

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

131630760 is a wasteful number, since it uses less digits than its factorization.

131630760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365658 (or 365651 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 131630760 is about 11473.0449314905. The cubic root of 131630760 is about 508.6891364305.

Adding to 131630760 its reverse (67036131), we get a palindrome (198666891).

The spelling of 131630760 in words is "one hundred thirty-one million, six hundred thirty thousand, seven hundred sixty".