1375332945 has 32 divisors (see below), whose sum is σ = 2517553920. Its totient is φ = 628058880.

The previous prime is 1375332943. The next prime is 1375332971. The reversal of 1375332945 is 5492335731.

It is not a de Polignac number, because 1375332945 - 2¹ = 1375332943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1375332897 and 1375332906.

It is not an unprimeable number, because it can be changed into a prime (1375332943) 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 31 ways as a sum of consecutive naturals, for example, 100791 + ... + 113619.

It is an arithmetic number, because the mean of its divisors is an integer number (78673560).

Almost surely, 2^1375332945 is an apocalyptic number.

1375332945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1375332945 is a deficient number, since it is larger than the sum of its proper divisors (1142220975).

1375332945 is a wasteful number, since it uses less digits than its factorization.

1375332945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13865.

The product of its digits is 340200, while the sum is 42.

The square root of 1375332945 is about 37085.4815932057. The cubic root of 1375332945 is about 1112.0797911384.

The spelling of 1375332945 in words is "one billion, three hundred seventy-five million, three hundred thirty-two thousand, nine hundred forty-five".