1395182149 has 2 divisors, whose sum is σ = 1395182150. Its totient is φ = 1395182148.

The previous prime is 1395182101. The next prime is 1395182161. The reversal of 1395182149 is 9412815931.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 725925249 + 669256900 = 26943^2 + 25870^2 .

It is a cyclic number.

It is not a de Polignac number, because 1395182149 - 2²⁷ = 1260964421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1395182189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 697591074 + 697591075.

It is an arithmetic number, because the mean of its divisors is an integer number (697591075).

Almost surely, 2^1395182149 is an apocalyptic number.

It is an amenable number.

1395182149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1395182149 is an equidigital number, since it uses as much as digits as its factorization.

1395182149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 43.

The square root of 1395182149 is about 37352.1371409990. The cubic root of 1395182149 is about 1117.4042108854.

It can be divided in two parts, 13951 and 82149, that added together give a square (96100 = 310²).

The spelling of 1395182149 in words is "one billion, three hundred ninety-five million, one hundred eighty-two thousand, one hundred forty-nine".