130120137520 has 40 divisors (see below), whose sum is σ = 302545479600. Its totient is φ = 52045274880.

The previous prime is 130120137517. The next prime is 130120137523. The reversal of 130120137520 is 25731021031.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (130120137517) and next prime (130120137523).

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (130120137523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2154130 + ... + 2213710.

It is an arithmetic number, because the mean of its divisors is an integer number (7563636990).

Almost surely, 2^130120137520 is an apocalyptic number.

130120137520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130120137520 is an abundant number, since it is smaller than the sum of its proper divisors (172425342080).

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

130120137520 is a wasteful number, since it uses less digits than its factorization.

130120137520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86893 (or 86887 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 25.

Adding to 130120137520 its reverse (25731021031), we get a palindrome (155851158551).

The spelling of 130120137520 in words is "one hundred thirty billion, one hundred twenty million, one hundred thirty-seven thousand, five hundred twenty".