130521001004 has 12 divisors (see below), whose sum is σ = 232283137800. Its totient is φ = 64154390208.

The previous prime is 130521000943. The next prime is 130521001007. The reversal of 130521001004 is 400100125031.

It is not an unprimeable number, because it can be changed into a prime (130521001007) 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, 276527309 + ... + 276527780.

It is an arithmetic number, because the mean of its divisors is an integer number (19356928150).

Almost surely, 2^130521001004 is an apocalyptic number.

It is an amenable number.

130521001004 is a deficient number, since it is larger than the sum of its proper divisors (101762136796).

130521001004 is a wasteful number, since it uses less digits than its factorization.

130521001004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553055152 (or 553055150 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

Adding to 130521001004 its reverse (400100125031), we get a palindrome (530621126035).

The spelling of 130521001004 in words is "one hundred thirty billion, five hundred twenty-one million, one thousand, four".