130916645 has 4 divisors (see below), whose sum is σ = 157099980. Its totient is φ = 104733312.

The previous prime is 130916641. The next prime is 130916683. The reversal of 130916645 is 546619031.

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 45576001 + 85340644 = 6751^2 + 9238^2 .

It is a cyclic number.

It is not a de Polignac number, because 130916645 - 2² = 130916641 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130916641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13091660 + ... + 13091669.

It is an arithmetic number, because the mean of its divisors is an integer number (39274995).

Almost surely, 2^130916645 is an apocalyptic number.

It is an amenable number.

130916645 is a deficient number, since it is larger than the sum of its proper divisors (26183335).

130916645 is an equidigital number, since it uses as much as digits as its factorization.

130916645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26183334.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 130916645 is about 11441.8811827426. The cubic root of 130916645 is about 507.7675649928.

The spelling of 130916645 in words is "one hundred thirty million, nine hundred sixteen thousand, six hundred forty-five".