1375166141 has 2 divisors, whose sum is σ = 1375166142. Its totient is φ = 1375166140.

The previous prime is 1375166123. The next prime is 1375166171. The reversal of 1375166141 is 1416615731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 934586041 + 440580100 = 30571^2 + 20990^2 .

It is a cyclic number.

It is not a de Polignac number, because 1375166141 - 2¹⁰ = 1375165117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1375166171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 687583070 + 687583071.

It is an arithmetic number, because the mean of its divisors is an integer number (687583071).

Almost surely, 2^1375166141 is an apocalyptic number.

It is an amenable number.

1375166141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1375166141 is an equidigital number, since it uses as much as digits as its factorization.

1375166141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15120, while the sum is 35.

The square root of 1375166141 is about 37083.2326125973. The cubic root of 1375166141 is about 1112.0348306659.

The spelling of 1375166141 in words is "one billion, three hundred seventy-five million, one hundred sixty-six thousand, one hundred forty-one".