1375522632 has 288 divisors, whose sum is σ = 4557552480. Its totient is φ = 370344960.

The previous prime is 1375522627. The next prime is 1375522639. The reversal of 1375522632 is 2362255731.

1375522632 is a `hidden beast` number, since 1 + 3 + 75 + 522 + 63 + 2 = 666.

It is a super-2 number, since 2×1375522632² = 3784125022288414848, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1375522639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4860363 + ... + 4860645.

It is an arithmetic number, because the mean of its divisors is an integer number (15824835).

Almost surely, 2^1375522632 is an apocalyptic number.

1375522632 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 1375522632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2278776240).

1375522632 is an abundant number, since it is smaller than the sum of its proper divisors (3182029848).

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

1375522632 is a wasteful number, since it uses less digits than its factorization.

1375522632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361 (or 335 counting only the distinct ones).

The product of its digits is 75600, while the sum is 36.

The square root of 1375522632 is about 37088.0389344058. The cubic root of 1375522632 is about 1112.1309150942.

The spelling of 1375522632 in words is "one billion, three hundred seventy-five million, five hundred twenty-two thousand, six hundred thirty-two".