130277520 has 120 divisors (see below), whose sum is σ = 456595776. Its totient is φ = 33225984.

The previous prime is 130277513. The next prime is 130277527. The reversal of 130277520 is 25772031.

130277520 is a `hidden beast` number, since 130 + 2 + 7 + 7 + 520 = 666.

It is an interprime number because it is at equal distance from previous prime (130277513) and next prime (130277527).

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-3 number, since 3×130277520³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (130277527) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12627 + ... + 20493.

Almost surely, 2^130277520 is an apocalyptic number.

130277520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130277520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (228297888).

130277520 is an abundant number, since it is smaller than the sum of its proper divisors (326318256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130277520 is a wasteful number, since it uses less digits than its factorization.

130277520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7909 (or 7900 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 130277520 is about 11413.9178199249. The cubic root of 130277520 is about 506.9399226224.

The spelling of 130277520 in words is "one hundred thirty million, two hundred seventy-seven thousand, five hundred twenty".