1342621642 has 16 divisors (see below), whose sum is σ = 2173962240. Its totient is φ = 619980592.

The previous prime is 1342621603. The next prime is 1342621667. The reversal of 1342621642 is 2461262431.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 501898 + ... + 504565.

It is an arithmetic number, because the mean of its divisors is an integer number (135872640).

Almost surely, 2^1342621642 is an apocalyptic number.

1342621642 is a deficient number, since it is larger than the sum of its proper divisors (831340598).

1342621642 is a wasteful number, since it uses less digits than its factorization.

1342621642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006517.

The product of its digits is 13824, while the sum is 31.

The square root of 1342621642 is about 36641.8018388834. The cubic root of 1342621642 is about 1103.1922810732.

The spelling of 1342621642 in words is "one billion, three hundred forty-two million, six hundred twenty-one thousand, six hundred forty-two".