1313434620 has 72 divisors (see below), whose sum is σ = 4218452784. Its totient is φ = 329645568.

The previous prime is 1313434601. The next prime is 1313434663. The reversal of 1313434620 is 264343131.

1313434620 is a `hidden beast` number, since 1 + 3 + 1 + 3 + 4 + 34 + 620 = 666.

It is a super-2 number, since 2×1313434620² = 3450221002029088800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 211554 + ... + 217673.

It is an arithmetic number, because the mean of its divisors is an integer number (58589622).

Almost surely, 2^1313434620 is an apocalyptic number.

1313434620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1313434620 is an abundant number, since it is smaller than the sum of its proper divisors (2905018164).

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

1313434620 is a wasteful number, since it uses less digits than its factorization.

1313434620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429259 (or 429254 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 1313434620 is about 36241.3385514387. The cubic root of 1313434620 is about 1095.1396081458.

Adding to 1313434620 its reverse (264343131), we get a palindrome (1577777751).

The spelling of 1313434620 in words is "one billion, three hundred thirteen million, four hundred thirty-four thousand, six hundred twenty".