1340242011 has 32 divisors (see below), whose sum is σ = 2013984000. Its totient is φ = 880761024.

The previous prime is 1340241997. The next prime is 1340242051. The reversal of 1340242011 is 1102420431.

It is not a de Polignac number, because 1340242011 - 2⁵ = 1340241979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1340242051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1063900 + ... + 1065158.

It is an arithmetic number, because the mean of its divisors is an integer number (62937000).

Almost surely, 2^1340242011 is an apocalyptic number.

1340242011 is a deficient number, since it is larger than the sum of its proper divisors (673741989).

1340242011 is a wasteful number, since it uses less digits than its factorization.

1340242011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1800 (or 1794 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1340242011 is about 36609.3159045618. The cubic root of 1340242011 is about 1102.5401382953.

Adding to 1340242011 its reverse (1102420431), we get a palindrome (2442662442).

The spelling of 1340242011 in words is "one billion, three hundred forty million, two hundred forty-two thousand, eleven".