130605783 has 16 divisors (see below), whose sum is σ = 217111296. Its totient is φ = 67847040.

The previous prime is 130605779. The next prime is 130605803. The reversal of 130605783 is 387506031.

It is a happy number.

It is not a de Polignac number, because 130605783 - 2² = 130605779 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130605733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 282466 + ... + 282927.

It is an arithmetic number, because the mean of its divisors is an integer number (13569456).

Almost surely, 2^130605783 is an apocalyptic number.

130605783 is a deficient number, since it is larger than the sum of its proper divisors (86505513).

130605783 is a wasteful number, since it uses less digits than its factorization.

130605783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565414.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 130605783 is about 11428.2887170390. The cubic root of 130605783 is about 507.3653478903.

The spelling of 130605783 in words is "one hundred thirty million, six hundred five thousand, seven hundred eighty-three".