1340201144 has 8 divisors (see below), whose sum is σ = 2512877160. Its totient is φ = 670100568.

The previous prime is 1340201129. The next prime is 1340201173. The reversal of 1340201144 is 4411020431.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1340201144² = 3592278212757817472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 83762564 + ... + 83762579.

It is an arithmetic number, because the mean of its divisors is an integer number (314109645).

Almost surely, 2^1340201144 is an apocalyptic number.

It is an amenable number.

1340201144 is a deficient number, since it is larger than the sum of its proper divisors (1172676016).

1340201144 is a wasteful number, since it uses less digits than its factorization.

1340201144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167525149 (or 167525145 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1340201144 is about 36608.7577500248. The cubic root of 1340201144 is about 1102.5289318700.

Adding to 1340201144 its reverse (4411020431), we get a palindrome (5751221575).

The spelling of 1340201144 in words is "one billion, three hundred forty million, two hundred one thousand, one hundred forty-four".