1568134332 has 144 divisors (see below), whose sum is σ = 4312919520. Its totient is φ = 478580736.

The previous prime is 1568134331. The next prime is 1568134361. The reversal of 1568134332 is 2334318651.

It is a Harshad number since it is a multiple of its sum of digits (36).

Its product of digits (51840) is a multiple of the sum of its prime factors (540).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1568134331) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4946638 + ... + 4946954.

It is an arithmetic number, because the mean of its divisors is an integer number (29950830).

Almost surely, 2^1568134332 is an apocalyptic number.

1568134332 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 1568134332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2156459760).

1568134332 is an abundant number, since it is smaller than the sum of its proper divisors (2744785188).

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

1568134332 is a wasteful number, since it uses less digits than its factorization.

1568134332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540 (or 535 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 1568134332 is about 39599.6759077647. The cubic root of 1568134332 is about 1161.7903220326.

The spelling of 1568134332 in words is "one billion, five hundred sixty-eight million, one hundred thirty-four thousand, three hundred thirty-two".