130277521 has 8 divisors (see below), whose sum is σ = 142416288. Its totient is φ = 118188000.

The previous prime is 130277513. The next prime is 130277527. The reversal of 130277521 is 125772031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 130277521 - 2³ = 130277513 is a prime.

It is a super-3 number, since 3×130277521³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 130277521.

It is not an unprimeable number, because it can be changed into a prime (130277527) 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 7 ways as a sum of consecutive naturals, for example, 6660 + ... + 17461.

It is an arithmetic number, because the mean of its divisors is an integer number (17802036).

Almost surely, 2^130277521 is an apocalyptic number.

130277521 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

130277521 is a deficient number, since it is larger than the sum of its proper divisors (12138767).

130277521 is a wasteful number, since it uses less digits than its factorization.

130277521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24623.

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 130277521 is about 11413.9178637311. The cubic root of 130277521 is about 506.9399239195.

The spelling of 130277521 in words is "one hundred thirty million, two hundred seventy-seven thousand, five hundred twenty-one".