130275661 has 4 divisors (see below), whose sum is σ = 131924800. Its totient is φ = 128626524.

The previous prime is 130275653. The next prime is 130275667. The reversal of 130275661 is 166572031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 166572031 = 19 ⋅8766949.

It is a cyclic number.

It is not a de Polignac number, because 130275661 - 2³ = 130275653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130275667) 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, 824451 + ... + 824608.

It is an arithmetic number, because the mean of its divisors is an integer number (32981200).

Almost surely, 2^130275661 is an apocalyptic number.

It is an amenable number.

130275661 is a deficient number, since it is larger than the sum of its proper divisors (1649139).

130275661 is an equidigital number, since it uses as much as digits as its factorization.

130275661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1649138.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 130275661 is about 11413.8363839684. The cubic root of 130275661 is about 506.9375113448.

The spelling of 130275661 in words is "one hundred thirty million, two hundred seventy-five thousand, six hundred sixty-one".