1435142141 has 2 divisors, whose sum is σ = 1435142142. Its totient is φ = 1435142140.

The previous prime is 1435141973. The next prime is 1435142167. The reversal of 1435142141 is 1412415341.

It is an a-pointer prime, because the next prime (1435142167) can be obtained adding 1435142141 to its sum of digits (26).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1415339641 + 19802500 = 37621^2 + 4450^2 .

It is an emirp because it is prime and its reverse (1412415341) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1435142141 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1435142141.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1435142341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 717571070 + 717571071.

It is an arithmetic number, because the mean of its divisors is an integer number (717571071).

Almost surely, 2^1435142141 is an apocalyptic number.

It is an amenable number.

1435142141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1435142141 is an equidigital number, since it uses as much as digits as its factorization.

1435142141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1920, while the sum is 26.

The square root of 1435142141 is about 37883.2699354214. The cubic root of 1435142141 is about 1127.9719650515.

Adding to 1435142141 its reverse (1412415341), we get a palindrome (2847557482).

The spelling of 1435142141 in words is "one billion, four hundred thirty-five million, one hundred forty-two thousand, one hundred forty-one".