130621352404 has 12 divisors (see below), whose sum is σ = 234162668628. Its totient is φ = 63717732800.

The previous prime is 130621352401. The next prime is 130621352461. The reversal of 130621352404 is 404253126031.

It can be written as a sum of positive squares in 2 ways, for example, as 15313567504 + 115307784900 = 123748^2 + 339570^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130621352401) 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, 398235667 + ... + 398235994.

It is an arithmetic number, because the mean of its divisors is an integer number (19513555719).

Almost surely, 2^130621352404 is an apocalyptic number.

It is an amenable number.

130621352404 is a deficient number, since it is larger than the sum of its proper divisors (103541316224).

130621352404 is a wasteful number, since it uses less digits than its factorization.

130621352404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796471706 (or 796471704 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 130621352404 its reverse (404253126031), we get a palindrome (534874478435).

It can be divided in two parts, 130621 and 352404, that added together give a square (483025 = 695²).

The spelling of 130621352404 in words is "one hundred thirty billion, six hundred twenty-one million, three hundred fifty-two thousand, four hundred four".