1350521748 has 120 divisors (see below), whose sum is σ = 3764745600. Its totient is φ = 420930432.

The previous prime is 1350521737. The next prime is 1350521749. The reversal of 1350521748 is 8471250531.

1350521748 is a `hidden beast` number, since 13 + 50 + 521 + 74 + 8 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1350521749) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 484936 + ... + 487712.

It is an arithmetic number, because the mean of its divisors is an integer number (31372880).

Almost surely, 2^1350521748 is an apocalyptic number.

1350521748 is a gapful number since it is divisible by the number (18) 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 1350521748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1882372800).

1350521748 is an abundant number, since it is smaller than the sum of its proper divisors (2414223852).

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

1350521748 is a wasteful number, since it uses less digits than its factorization.

1350521748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2891 (or 2880 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 1350521748 is about 36749.4455468378. The cubic root of 1350521748 is about 1105.3518117030.

It can be divided in two parts, 13505 and 21748, that added together give a palindrome (35253).

The spelling of 1350521748 in words is "one billion, three hundred fifty million, five hundred twenty-one thousand, seven hundred forty-eight".