1340144133 has 8 divisors (see below), whose sum is σ = 1787028000. Its totient is φ = 893344848.

The previous prime is 1340144129. The next prime is 1340144171. The reversal of 1340144133 is 3314410431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1340144133 - 2² = 1340144129 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340104133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50778 + ... + 72516.

It is an arithmetic number, because the mean of its divisors is an integer number (223378500).

Almost surely, 2^1340144133 is an apocalyptic number.

It is an amenable number.

1340144133 is a deficient number, since it is larger than the sum of its proper divisors (446883867).

1340144133 is a wasteful number, since it uses less digits than its factorization.

1340144133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42291.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 1340144133 is about 36607.9790892641. The cubic root of 1340144133 is about 1102.5132981052.

Adding to 1340144133 its reverse (3314410431), we get a palindrome (4654554564).

The spelling of 1340144133 in words is "one billion, three hundred forty million, one hundred forty-four thousand, one hundred thirty-three".