1234140361 has 2 divisors, whose sum is σ = 1234140362. Its totient is φ = 1234140360.

The previous prime is 1234140337. The next prime is 1234140491. The reversal of 1234140361 is 1630414321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 624050361 + 610090000 = 24981^2 + 24700^2 .

It is a cyclic number.

It is not a de Polignac number, because 1234140361 - 2⁹ = 1234139849 is a prime.

It is not a weakly prime, because it can be changed into another prime (1234140301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 617070180 + 617070181.

It is an arithmetic number, because the mean of its divisors is an integer number (617070181).

Almost surely, 2^1234140361 is an apocalyptic number.

It is an amenable number.

1234140361 is a deficient number, since it is larger than the sum of its proper divisors (1).

1234140361 is an equidigital number, since it uses as much as digits as its factorization.

1234140361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 1234140361 is about 35130.3339152932. Note that the first 3 decimals coincide. The cubic root of 1234140361 is about 1072.6421329299.

Adding to 1234140361 its reverse (1630414321), we get a palindrome (2864554682).

The spelling of 1234140361 in words is "one billion, two hundred thirty-four million, one hundred forty thousand, three hundred sixty-one".