1520330135130 has 24 divisors (see below), whose sum is σ = 3952858351572. Its totient is φ = 405421369344.

The previous prime is 1520330135081. The next prime is 1520330135231. The reversal of 1520330135130 is 315310330251.

1520330135130 is a `hidden beast` number, since 1 + 5 + 2 + 0 + 3 + 301 + 351 + 3 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1443595041009 + 76735094121 = 1201497^2 + 277011^2 .

It is a super-2 number, since 2×1520330135130² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1520330135094 and 1520330135103.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8446278439 + ... + 8446278618.

Almost surely, 2^{1520330135130} is an apocalyptic number.

1520330135130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1520330135130 is an abundant number, since it is smaller than the sum of its proper divisors (2432528216442).

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

1520330135130 is a wasteful number, since it uses less digits than its factorization.

1520330135130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16892557070 (or 16892557067 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 27.

Adding to 1520330135130 its reverse (315310330251), we get a palindrome (1835640465381).

The spelling of 1520330135130 in words is "one trillion, five hundred twenty billion, three hundred thirty million, one hundred thirty-five thousand, one hundred thirty".