1344142511 has 4 divisors (see below), whose sum is σ = 1344261072. Its totient is φ = 1344023952.

The previous prime is 1344142463. The next prime is 1344142523. The reversal of 1344142511 is 1152414431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1344142511 - 2⁶ = 1344142447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344142531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40235 + ... + 65628.

It is an arithmetic number, because the mean of its divisors is an integer number (336065268).

Almost surely, 2^1344142511 is an apocalyptic number.

1344142511 is a deficient number, since it is larger than the sum of its proper divisors (118561).

1344142511 is a wasteful number, since it uses less digits than its factorization.

1344142511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118560.

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

The square root of 1344142511 is about 36662.5491612354. The cubic root of 1344142511 is about 1103.6086748329.

Adding to 1344142511 its reverse (1152414431), we get a palindrome (2496556942).

The spelling of 1344142511 in words is "one billion, three hundred forty-four million, one hundred forty-two thousand, five hundred eleven".