1375837056 has 128 divisors (see below), whose sum is σ = 4429900800. Its totient is φ = 416908800.

The previous prime is 1375837033. The next prime is 1375837091. The reversal of 1375837056 is 6507385731.

1375837056 is a `hidden beast` number, since 13 + 7 + 583 + 7 + 0 + 56 = 666.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19921 + ... + 56111.

It is an arithmetic number, because the mean of its divisors is an integer number (34608600).

Almost surely, 2^1375837056 is an apocalyptic number.

1375837056 is a gapful number since it is divisible by the number (16) 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 1375837056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2214950400).

1375837056 is an abundant number, since it is smaller than the sum of its proper divisors (3054063744).

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

1375837056 is a wasteful number, since it uses less digits than its factorization.

1375837056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36225 (or 36207 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 45.

The square root of 1375837056 is about 37092.2775790325. The cubic root of 1375837056 is about 1112.2156474963.

The spelling of 1375837056 in words is "one billion, three hundred seventy-five million, eight hundred thirty-seven thousand, fifty-six".