1075665141 has 6 divisors (see below), whose sum is σ = 1553738550. Its totient is φ = 717110088.

The previous prime is 1075665139. The next prime is 1075665161. The reversal of 1075665141 is 1415665701.

It is a happy number.

1075665141 is a `hidden beast` number, since 1 + 0 + 7 + 566 + 51 + 41 = 666.

It can be written as a sum of positive squares in only one way, i.e., 817388100 + 258277041 = 28590^2 + 16071^2 .

It is not a de Polignac number, because 1075665141 - 2¹ = 1075665139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1075665096 and 1075665105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1075665131) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 59759166 + ... + 59759183.

It is an arithmetic number, because the mean of its divisors is an integer number (258956425).

Almost surely, 2^1075665141 is an apocalyptic number.

It is an amenable number.

1075665141 is a deficient number, since it is larger than the sum of its proper divisors (478073409).

1075665141 is a wasteful number, since it uses less digits than its factorization.

1075665141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119518355 (or 119518352 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 1075665141 is about 32797.3343581456. The cubic root of 1075665141 is about 1024.6110413153.

The spelling of 1075665141 in words is "one billion, seventy-five million, six hundred sixty-five thousand, one hundred forty-one".