1340041154 has 16 divisors (see below), whose sum is σ = 2081604096. Its totient is φ = 646312800.

The previous prime is 1340041151. The next prime is 1340041181. The reversal of 1340041154 is 4511400431.

It is not an unprimeable number, because it can be changed into a prime (1340041151) 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, 15467 + ... + 54030.

It is an arithmetic number, because the mean of its divisors is an integer number (130100256).

Almost surely, 2^1340041154 is an apocalyptic number.

1340041154 is a deficient number, since it is larger than the sum of its proper divisors (741562942).

1340041154 is a wasteful number, since it uses less digits than its factorization.

1340041154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69841.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1340041154 is about 36606.5725519339. The cubic root of 1340041154 is about 1102.4850577037.

Adding to 1340041154 its reverse (4511400431), we get a palindrome (5851441585).

The spelling of 1340041154 in words is "one billion, three hundred forty million, forty-one thousand, one hundred fifty-four".