1772134141 has 2 divisors, whose sum is σ = 1772134142. Its totient is φ = 1772134140.

The previous prime is 1772134081. The next prime is 1772134151. The reversal of 1772134141 is 1414312771.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1489188100 + 282946041 = 38590^2 + 16821^2 .

It is a cyclic number.

It is not a de Polignac number, because 1772134141 - 2¹¹ = 1772132093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1772134151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 886067070 + 886067071.

It is an arithmetic number, because the mean of its divisors is an integer number (886067071).

Almost surely, 2^1772134141 is an apocalyptic number.

It is an amenable number.

1772134141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1772134141 is an equidigital number, since it uses as much as digits as its factorization.

1772134141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4704, while the sum is 31.

The square root of 1772134141 is about 42096.7236373569. The cubic root of 1772134141 is about 1210.1304736022.

The spelling of 1772134141 in words is "one billion, seven hundred seventy-two million, one hundred thirty-four thousand, one hundred forty-one".