1344340541 has 2 divisors, whose sum is σ = 1344340542. Its totient is φ = 1344340540.

The previous prime is 1344340537. The next prime is 1344340561. The reversal of 1344340541 is 1450434431.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1341683641 + 2656900 = 36629^2 + 1630^2 .

It is a cyclic number.

It is not a de Polignac number, because 1344340541 - 2² = 1344340537 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1344340511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672170270 + 672170271.

It is an arithmetic number, because the mean of its divisors is an integer number (672170271).

Almost surely, 2^1344340541 is an apocalyptic number.

It is an amenable number.

1344340541 is a deficient number, since it is larger than the sum of its proper divisors (1).

1344340541 is an equidigital number, since it uses as much as digits as its factorization.

1344340541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 1344340541 is about 36665.2497741390. The cubic root of 1344340541 is about 1103.6628697049.

Adding to 1344340541 its reverse (1450434431), we get a palindrome (2794774972).

The spelling of 1344340541 in words is "one billion, three hundred forty-four million, three hundred forty thousand, five hundred forty-one".