1356983472 has 90 divisors (see below), whose sum is σ = 3805244172. Its totient is φ = 416512512.

The previous prime is 1356983461. The next prime is 1356983489. The reversal of 1356983472 is 2743896531.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3317604 + ... + 3318012.

Almost surely, 2^1356983472 is an apocalyptic number.

1356983472 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 1356983472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1902622086).

1356983472 is an abundant number, since it is smaller than the sum of its proper divisors (2448260700).

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

1356983472 is an equidigital number, since it uses as much as digits as its factorization.

1356983472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855 (or 427 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 48.

The square root of 1356983472 is about 36837.2565753749. The cubic root of 1356983472 is about 1107.1119011381. Note that the first 3 decimals are identical.

Multiplying 1356983472 by its sum of digits (48), we get a square (65135206656 = 255216²).

1356983472 divided by its sum of digits (48) gives a square (28270489 = 5317²).

The spelling of 1356983472 in words is "one billion, three hundred fifty-six million, nine hundred eighty-three thousand, four hundred seventy-two".