1375360091 has 4 divisors (see below), whose sum is σ = 1571840112. Its totient is φ = 1178880072.

The previous prime is 1375360079. The next prime is 1375360093. The reversal of 1375360091 is 1900635731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1900635731 = 631 ⋅3012101.

It is a cyclic number.

It is not a de Polignac number, because 1375360091 - 2²⁶ = 1308251227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1375360093) 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 3 ways as a sum of consecutive naturals, for example, 98240000 + ... + 98240013.

It is an arithmetic number, because the mean of its divisors is an integer number (392960028).

Almost surely, 2^1375360091 is an apocalyptic number.

1375360091 is a deficient number, since it is larger than the sum of its proper divisors (196480021).

1375360091 is an equidigital number, since it uses as much as digits as its factorization.

1375360091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196480020.

The product of its (nonzero) digits is 17010, while the sum is 35.

The square root of 1375360091 is about 37085.8475836808. The cubic root of 1375360091 is about 1112.0871077472.

The spelling of 1375360091 in words is "one billion, three hundred seventy-five million, three hundred sixty thousand, ninety-one".