1356353856 has 336 divisors, whose sum is σ = 4729480000. Its totient is φ = 378639360.

The previous prime is 1356353833. The next prime is 1356353863. The reversal of 1356353856 is 6583536531.

It is a happy number.

1356353856 is a `hidden beast` number, since 1 + 3 + 5 + 63 + 538 + 56 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2717895 + ... + 2718393.

Almost surely, 2^1356353856 is an apocalyptic number.

1356353856 is a gapful number since it is divisible by the number (16) 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 1356353856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2364740000).

1356353856 is an abundant number, since it is smaller than the sum of its proper divisors (3373126144).

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

1356353856 is a wasteful number, since it uses less digits than its factorization.

1356353856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555 (or 528 counting only the distinct ones).

The product of its digits is 972000, while the sum is 45.

The square root of 1356353856 is about 36828.7096705817. The cubic root of 1356353856 is about 1106.9406479588.

The spelling of 1356353856 in words is "one billion, three hundred fifty-six million, three hundred fifty-three thousand, eight hundred fifty-six".