1415340181 has 2 divisors, whose sum is σ = 1415340182. Its totient is φ = 1415340180.

The previous prime is 1415340139. The next prime is 1415340209. The reversal of 1415340181 is 1810435141.

It is an a-pointer prime, because the next prime (1415340209) can be obtained adding 1415340181 to its sum of digits (28).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1195084900 + 220255281 = 34570^2 + 14841^2 .

It is a cyclic number.

It is not a de Polignac number, because 1415340181 - 2⁹ = 1415339669 is a prime.

It is a super-2 number, since 2×1415340181² = 4006375655906225522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1415340781) 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, 707670090 + 707670091.

It is an arithmetic number, because the mean of its divisors is an integer number (707670091).

Almost surely, 2^1415340181 is an apocalyptic number.

It is an amenable number.

1415340181 is a deficient number, since it is larger than the sum of its proper divisors (1).

1415340181 is an equidigital number, since it uses as much as digits as its factorization.

1415340181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 1415340181 is about 37621.0071768420. The cubic root of 1415340181 is about 1122.7600351263.

The spelling of 1415340181 in words is "one billion, four hundred fifteen million, three hundred forty thousand, one hundred eighty-one".