1375523232 has 48 divisors (see below), whose sum is σ = 3660229440. Its totient is φ = 452224512.

The previous prime is 1375523207. The next prime is 1375523251. The reversal of 1375523232 is 2323255731.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 1375523193 and 1375523202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91132 + ... + 105147.

It is an arithmetic number, because the mean of its divisors is an integer number (76254780).

Almost surely, 2^1375523232 is an apocalyptic number.

1375523232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1375523232 is an abundant number, since it is smaller than the sum of its proper divisors (2284706208).

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

1375523232 is a wasteful number, since it uses less digits than its factorization.

1375523232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196365 (or 196357 counting only the distinct ones).

The product of its digits is 37800, while the sum is 33.

The square root of 1375523232 is about 37088.0470232661. The cubic root of 1375523232 is about 1112.1310767972.

Adding to 1375523232 its reverse (2323255731), we get a palindrome (3698778963).

The spelling of 1375523232 in words is "one billion, three hundred seventy-five million, five hundred twenty-three thousand, two hundred thirty-two".