1340122142 has 16 divisors (see below), whose sum is σ = 2030892912. Its totient is φ = 663169920.

The previous prime is 1340122127. The next prime is 1340122169. The reversal of 1340122142 is 2412210431.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 291542 + ... + 296102.

It is an arithmetic number, because the mean of its divisors is an integer number (126930807).

Almost surely, 2^1340122142 is an apocalyptic number.

1340122142 is a deficient number, since it is larger than the sum of its proper divisors (690770770).

1340122142 is a wasteful number, since it uses less digits than its factorization.

1340122142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6043.

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

The square root of 1340122142 is about 36607.6787300151. The cubic root of 1340122142 is about 1102.5072675344.

Adding to 1340122142 its reverse (2412210431), we get a palindrome (3752332573).

The spelling of 1340122142 in words is "one billion, three hundred forty million, one hundred twenty-two thousand, one hundred forty-two".