1351859652 has 384 divisors, whose sum is σ = 4606156800. Its totient is φ = 335923200.

The previous prime is 1351859627. The next prime is 1351859681. The reversal of 1351859652 is 2569581531.

1351859652 is a `hidden beast` number, since 1 + 3 + 5 + 1 + 8 + 596 + 52 = 666.

It is a super-2 number, since 2×1351859652² = 3655049037411122208, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1351859598 and 1351859607.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 4988277 + ... + 4988547.

It is an arithmetic number, because the mean of its divisors is an integer number (11995200).

Almost surely, 2^1351859652 is an apocalyptic number.

1351859652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1351859652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2303078400).

1351859652 is an abundant number, since it is smaller than the sum of its proper divisors (3254297148).

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

1351859652 is a wasteful number, since it uses less digits than its factorization.

1351859652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344 (or 336 counting only the distinct ones).

The product of its digits is 324000, while the sum is 45.

The square root of 1351859652 is about 36767.6440909667. The cubic root of 1351859652 is about 1105.7166994548.

The spelling of 1351859652 in words is "one billion, three hundred fifty-one million, eight hundred fifty-nine thousand, six hundred fifty-two".