1342146209 has 16 divisors (see below), whose sum is σ = 1530731520. Its totient is φ = 1169287680.

The previous prime is 1342146203. The next prime is 1342146227. The reversal of 1342146209 is 9026412431.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1342146209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1342146203) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 43244 + ... + 67485.

It is an arithmetic number, because the mean of its divisors is an integer number (95670720).

Almost surely, 2^1342146209 is an apocalyptic number.

It is an amenable number.

1342146209 is a deficient number, since it is larger than the sum of its proper divisors (188585311).

1342146209 is a wasteful number, since it uses less digits than its factorization.

1342146209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110800.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 1342146209 is about 36635.3136877521. The cubic root of 1342146209 is about 1103.0620493135.

The spelling of 1342146209 in words is "one billion, three hundred forty-two million, one hundred forty-six thousand, two hundred nine".