1382542875 has 72 divisors (see below), whose sum is σ = 2855115744. Its totient is φ = 630511200.

The previous prime is 1382542859. The next prime is 1382542877. The reversal of 1382542875 is 5782452831.

1382542875 is a `hidden beast` number, since 1 + 38 + 2 + 542 + 8 + 75 = 666.

It is not a de Polignac number, because 1382542875 - 2⁴ = 1382542859 is a prime.

It is a super-2 number, since 2×1382542875² = 3822849602426531250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1382542875.

It is not an unprimeable number, because it can be changed into a prime (1382542877) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3299416 + ... + 3299834.

Almost surely, 2^1382542875 is an apocalyptic number.

1382542875 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1382542875 is an abundant number, since it is smaller than the sum of its proper divisors (1472572869).

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

1382542875 is an frugal number, since it uses more digits than its factorization.

1382542875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 866 (or 434 counting only the distinct ones).

The product of its digits is 537600, while the sum is 45.

The square root of 1382542875 is about 37182.5614367811. The cubic root of 1382542875 is about 1114.0196964652.

The spelling of 1382542875 in words is "one billion, three hundred eighty-two million, five hundred forty-two thousand, eight hundred seventy-five".