1375308397 has 12 divisors (see below), whose sum is σ = 1441324416. Its totient is φ = 1310946120.

The previous prime is 1375308377. The next prime is 1375308413. The reversal of 1375308397 is 7938035731.

It is not a de Polignac number, because 1375308397 - 2²³ = 1366919789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1375308377) 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 11 ways as a sum of consecutive naturals, for example, 134218 + ... + 144100.

It is an arithmetic number, because the mean of its divisors is an integer number (120110368).

Almost surely, 2^1375308397 is an apocalyptic number.

It is an amenable number.

1375308397 is a deficient number, since it is larger than the sum of its proper divisors (66016019).

1375308397 is an frugal number, since it uses more digits than its factorization.

1375308397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10048 (or 9981 counting only the distinct ones).

The product of its (nonzero) digits is 476280, while the sum is 46.

The square root of 1375308397 is about 37085.1506266322. The cubic root of 1375308397 is about 1112.0731746806.

The spelling of 1375308397 in words is "one billion, three hundred seventy-five million, three hundred eight thousand, three hundred ninety-seven".