1375945141 has 4 divisors (see below), whose sum is σ = 1376957484. Its totient is φ = 1374932800.

The previous prime is 1375945127. The next prime is 1375945213. The reversal of 1375945141 is 1415495731.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 746437041 + 629508100 = 27321^2 + 25090^2 .

It is a cyclic number.

It is not a de Polignac number, because 1375945141 - 2²¹ = 1373847989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1375945094 and 1375945103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1375945741) 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, 504130 + ... + 506851.

It is an arithmetic number, because the mean of its divisors is an integer number (344239371).

Almost surely, 2^1375945141 is an apocalyptic number.

It is an amenable number.

1375945141 is a deficient number, since it is larger than the sum of its proper divisors (1012343).

1375945141 is a wasteful number, since it uses less digits than its factorization.

1375945141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012342.

The product of its digits is 75600, while the sum is 40.

The square root of 1375945141 is about 37093.7345248493. The cubic root of 1375945141 is about 1112.2447717496.

The spelling of 1375945141 in words is "one billion, three hundred seventy-five million, nine hundred forty-five thousand, one hundred forty-one".