130849687 has 4 divisors (see below), whose sum is σ = 131220720. Its totient is φ = 130478656.

The previous prime is 130849661. The next prime is 130849703. The reversal of 130849687 is 786948031.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130849687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130849627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184987 + ... + 185692.

It is an arithmetic number, because the mean of its divisors is an integer number (32805180).

Almost surely, 2^130849687 is an apocalyptic number.

130849687 is a deficient number, since it is larger than the sum of its proper divisors (371033).

130849687 is an equidigital number, since it uses as much as digits as its factorization.

130849687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371032.

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 130849687 is about 11438.9548036523. The cubic root of 130849687 is about 507.6809834416.

The spelling of 130849687 in words is "one hundred thirty million, eight hundred forty-nine thousand, six hundred eighty-seven".