1304749152 has 288 divisors, whose sum is σ = 4660830720. Its totient is φ = 337582080.

The previous prime is 1304749141. The next prime is 1304749153. The reversal of 1304749152 is 2519474031.

1304749152 is a `hidden beast` number, since 1 + 30 + 474 + 9 + 152 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

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 (1304749153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 880252 + ... + 881732.

It is an arithmetic number, because the mean of its divisors is an integer number (16183440).

Almost surely, 2^1304749152 is an apocalyptic number.

1304749152 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 1304749152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2330415360).

1304749152 is an abundant number, since it is smaller than the sum of its proper divisors (3356081568).

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

1304749152 is a wasteful number, since it uses less digits than its factorization.

1304749152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1546 (or 1535 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 1304749152 is about 36121.3116040932. The cubic root of 1304749152 is about 1092.7202911993.

The spelling of 1304749152 in words is "one billion, three hundred four million, seven hundred forty-nine thousand, one hundred fifty-two".