1375911941 has 4 divisors (see below), whose sum is σ = 1376107500. Its totient is φ = 1375716384.

The previous prime is 1375911937. The next prime is 1375911997. The reversal of 1375911941 is 1491195731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1491195731 = 23 ⋅64834597.

It can be written as a sum of positive squares in 2 ways, for example, as 216237025 + 1159674916 = 14705^2 + 34054^2 .

It is a cyclic number.

It is not a de Polignac number, because 1375911941 - 2² = 1375911937 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1375911841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86816 + ... + 101433.

It is an arithmetic number, because the mean of its divisors is an integer number (344026875).

Almost surely, 2^1375911941 is an apocalyptic number.

It is an amenable number.

1375911941 is a deficient number, since it is larger than the sum of its proper divisors (195559).

1375911941 is an equidigital number, since it uses as much as digits as its factorization.

1375911941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195558.

The product of its digits is 34020, while the sum is 41.

The square root of 1375911941 is about 37093.2870072201. The cubic root of 1375911941 is about 1112.2358259415.

The spelling of 1375911941 in words is "one billion, three hundred seventy-five million, nine hundred eleven thousand, nine hundred forty-one".