130726747 has 4 divisors (see below), whose sum is σ = 131288040. Its totient is φ = 130165456.

The previous prime is 130726727. The next prime is 130726763. The reversal of 130726747 is 747627031.

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-130726747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130726727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280297 + ... + 280762.

It is an arithmetic number, because the mean of its divisors is an integer number (32822010).

Almost surely, 2^130726747 is an apocalyptic number.

130726747 is a deficient number, since it is larger than the sum of its proper divisors (561293).

130726747 is an equidigital number, since it uses as much as digits as its factorization.

130726747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561292.

The product of its (nonzero) digits is 49392, while the sum is 37.

The square root of 130726747 is about 11433.5797981210. The cubic root of 130726747 is about 507.5219361691.

The spelling of 130726747 in words is "one hundred thirty million, seven hundred twenty-six thousand, seven hundred forty-seven".