1375035648 has 216 divisors, whose sum is σ = 4334097600. Its totient is φ = 385781760.

The previous prime is 1375035647. The next prime is 1375035661. The reversal of 1375035648 is 8465305731.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (1375035647) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2295253 + ... + 2295851.

Almost surely, 2^1375035648 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 1375035648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2167048800).

1375035648 is an abundant number, since it is smaller than the sum of its proper divisors (2959061952).

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

1375035648 is an equidigital number, since it uses as much as digits as its factorization.

1375035648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693 (or 672 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 42.

The square root of 1375035648 is about 37081.4731098968. The cubic root of 1375035648 is about 1111.9996549522. Note that the first 3 decimals are identical.

The spelling of 1375035648 in words is "one billion, three hundred seventy-five million, thirty-five thousand, six hundred forty-eight".