1375144800 has 288 divisors, whose sum is σ = 4661701632. Its totient is φ = 351866880.

The previous prime is 1375144789. The next prime is 1375144829. The reversal of 1375144800 is 84415731.

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, 8234317 + ... + 8234483.

It is an arithmetic number, because the mean of its divisors is an integer number (16186464).

Almost surely, 2^1375144800 is an apocalyptic number.

1375144800 is a gapful number since it is divisible by the number (10) 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 1375144800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2330850816).

1375144800 is an abundant number, since it is smaller than the sum of its proper divisors (3286556832).

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

1375144800 is a wasteful number, since it uses less digits than its factorization.

1375144800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310 (or 297 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 1375144800 is about 37082.9448668792. The cubic root of 1375144800 is about 1112.0290781348.

The spelling of 1375144800 in words is "one billion, three hundred seventy-five million, one hundred forty-four thousand, eight hundred".