1340011412 has 18 divisors (see below), whose sum is σ = 2371720638. Its totient is φ = 662461888.

The previous prime is 1340011411. The next prime is 1340011469. The reversal of 1340011412 is 2141100431.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 6739216 + 1333272196 = 2596^2 + 36514^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340011411) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10538 + ... + 52830.

Almost surely, 2^1340011412 is an apocalyptic number.

It is an amenable number.

1340011412 is a deficient number, since it is larger than the sum of its proper divisors (1031709226).

1340011412 is an equidigital number, since it uses as much as digits as its factorization.

1340011412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42475 (or 42384 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1340011412 is about 36606.1663111558. The cubic root of 1340011412 is about 1102.4769011500.

Adding to 1340011412 its reverse (2141100431), we get a palindrome (3481111843).

The spelling of 1340011412 in words is "one billion, three hundred forty million, eleven thousand, four hundred twelve".