130701276521 has 4 divisors (see below), whose sum is σ = 134233743492. Its totient is φ = 127168809552.

The previous prime is 130701276457. The next prime is 130701276539. The reversal of 130701276521 is 125672107031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 125672107031 = 6547 ⋅19195373.

It can be written as a sum of positive squares in 2 ways, for example, as 52595000896 + 78106275625 = 229336^2 + 279475^2 .

It is a cyclic number.

It is not a de Polignac number, because 130701276521 - 2⁶ = 130701276457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130701276571) 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, 1766233430 + ... + 1766233503.

It is an arithmetic number, because the mean of its divisors is an integer number (33558435873).

Almost surely, 2^130701276521 is an apocalyptic number.

It is an amenable number.

130701276521 is a deficient number, since it is larger than the sum of its proper divisors (3532466971).

130701276521 is an equidigital number, since it uses as much as digits as its factorization.

130701276521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3532466970.

The product of its (nonzero) digits is 17640, while the sum is 35.

The spelling of 130701276521 in words is "one hundred thirty billion, seven hundred one million, two hundred seventy-six thousand, five hundred twenty-one".