1356637848 has 128 divisors (see below), whose sum is σ = 3689280000. Its totient is φ = 414305280.

The previous prime is 1356637847. The next prime is 1356637921. The reversal of 1356637848 is 8487366531.

It is a super-2 number, since 2×1356637848² = 3680932501252142208, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1356637848.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1356637847) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2785461 + ... + 2785947.

It is an arithmetic number, because the mean of its divisors is an integer number (28822500).

Almost surely, 2^1356637848 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1356637848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1844640000).

1356637848 is an abundant number, since it is smaller than the sum of its proper divisors (2332642152).

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

1356637848 is a wasteful number, since it uses less digits than its factorization.

1356637848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705 (or 701 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 51.

The square root of 1356637848 is about 36832.5650477943. The cubic root of 1356637848 is about 1107.0178992723.

The spelling of 1356637848 in words is "one billion, three hundred fifty-six million, six hundred thirty-seven thousand, eight hundred forty-eight".