1340011145 has 32 divisors (see below), whose sum is σ = 1878370560. Its totient is φ = 906864640.

The previous prime is 1340011121. The next prime is 1340011223. The reversal of 1340011145 is 5411100431.

It is a happy number.

It is not a de Polignac number, because 1340011145 - 2¹⁸ = 1339749001 is a prime.

It is a super-2 number, since 2×1340011145² = 3591259737448422050, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75164 + ... + 91266.

It is an arithmetic number, because the mean of its divisors is an integer number (58699080).

Almost surely, 2^1340011145 is an apocalyptic number.

It is an amenable number.

1340011145 is a deficient number, since it is larger than the sum of its proper divisors (538359415).

1340011145 is a wasteful number, since it uses less digits than its factorization.

1340011145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16225.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1340011145 is about 36606.1626642291. The cubic root of 1340011145 is about 1102.4768279264.

Adding to 1340011145 its reverse (5411100431), we get a palindrome (6751111576).

The spelling of 1340011145 in words is "one billion, three hundred forty million, eleven thousand, one hundred forty-five".