130263545 has 4 divisors (see below), whose sum is σ = 156316260. Its totient is φ = 104210832.

The previous prime is 130263541. The next prime is 130263557. The reversal of 130263545 is 545362031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 101929216 + 28334329 = 10096^2 + 5323^2 .

It is a cyclic number.

It is not a de Polignac number, because 130263545 - 2² = 130263541 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130263541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13026350 + ... + 13026359.

It is an arithmetic number, because the mean of its divisors is an integer number (39079065).

Almost surely, 2^130263545 is an apocalyptic number.

It is an amenable number.

130263545 is a deficient number, since it is larger than the sum of its proper divisors (26052715).

130263545 is an equidigital number, since it uses as much as digits as its factorization.

130263545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26052714.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 130263545 is about 11413.3056123106. The cubic root of 130263545 is about 506.9217953232.

The spelling of 130263545 in words is "one hundred thirty million, two hundred sixty-three thousand, five hundred forty-five".