130740761 has 8 divisors (see below), whose sum is σ = 138613320. Its totient is φ = 122888448.

The previous prime is 130740739. The next prime is 130740773. The reversal of 130740761 is 167047031.

It can be written as a sum of positive squares in 4 ways, for example, as 60918025 + 69822736 = 7805^2 + 8356^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130740761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130743761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9455 + ... + 18731.

It is an arithmetic number, because the mean of its divisors is an integer number (17326665).

Almost surely, 2^130740761 is an apocalyptic number.

It is an amenable number.

130740761 is a deficient number, since it is larger than the sum of its proper divisors (7872559).

130740761 is an equidigital number, since it uses as much as digits as its factorization.

130740761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10123.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 130740761 is about 11434.1926256295. The cubic root of 130740761 is about 507.5400710916.

Adding to 130740761 its reverse (167047031), we get a palindrome (297787792).

The spelling of 130740761 in words is "one hundred thirty million, seven hundred forty thousand, seven hundred sixty-one".