131417730 has 48 divisors (see below), whose sum is σ = 342309240. Its totient is φ = 34980864.

The previous prime is 131417717. The next prime is 131417771. The reversal of 131417730 is 37714131.

It can be written as a sum of positive squares in 4 ways, for example, as 71927361 + 59490369 = 8481^2 + 7713^2 .

It is a junction number, because it is equal to n+sod(n) for n = 131417694 and 131417703.

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 23 ways as a sum of consecutive naturals, for example, 68626 + ... + 70514.

Almost surely, 2^131417730 is an apocalyptic number.

131417730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131417730 is an abundant number, since it is smaller than the sum of its proper divisors (210891510).

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

131417730 is a wasteful number, since it uses less digits than its factorization.

131417730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2675 (or 2672 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 27.

The square root of 131417730 is about 11463.7572374854. The cubic root of 131417730 is about 508.4145689994.

It can be divided in two parts, 1314 and 17730, that added together give a square (19044 = 138²).

The spelling of 131417730 in words is "one hundred thirty-one million, four hundred seventeen thousand, seven hundred thirty".