130611785 has 8 divisors (see below), whose sum is σ = 157547400. Its totient is φ = 103947264.

The previous prime is 130611763. The next prime is 130611787. The reversal of 130611785 is 587116031.

It can be written as a sum of positive squares in 4 ways, for example, as 355216 + 130256569 = 596^2 + 11413^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 130611785 - 2¹⁰ = 130610761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130611787) 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, 66710 + ... + 68639.

It is an arithmetic number, because the mean of its divisors is an integer number (19693425).

Almost surely, 2^130611785 is an apocalyptic number.

It is an amenable number.

130611785 is a deficient number, since it is larger than the sum of its proper divisors (26935615).

130611785 is a wasteful number, since it uses less digits than its factorization.

130611785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135547.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 130611785 is about 11428.5513080180. The cubic root of 130611785 is about 507.3731197773.

The spelling of 130611785 in words is "one hundred thirty million, six hundred eleven thousand, seven hundred eighty-five".