1613130345 has 12 divisors (see below), whose sum is σ = 2796092676. Its totient is φ = 860336160.

The previous prime is 1613130341. The next prime is 1613130347. The reversal of 1613130345 is 5430313161.

1613130345 is a `hidden beast` number, since 1 + 6 + 1 + 313 + 0 + 345 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1010476944 + 602653401 = 31788^2 + 24549^2 .

It is not a de Polignac number, because 1613130345 - 2² = 1613130341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1613130341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17923626 + ... + 17923715.

It is an arithmetic number, because the mean of its divisors is an integer number (233007723).

Almost surely, 2^1613130345 is an apocalyptic number.

1613130345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1613130345 is a deficient number, since it is larger than the sum of its proper divisors (1182962331).

1613130345 is a wasteful number, since it uses less digits than its factorization.

1613130345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35847352 (or 35847349 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 1613130345 is about 40163.7939567467. The cubic root of 1613130345 is about 1172.7978297274.

The spelling of 1613130345 in words is "one billion, six hundred thirteen million, one hundred thirty thousand, three hundred forty-five".