1342402057 has 2 divisors, whose sum is σ = 1342402058. Its totient is φ = 1342402056.

The previous prime is 1342402027. The next prime is 1342402067. The reversal of 1342402057 is 7502042431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1220873481 + 121528576 = 34941^2 + 11024^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1342402057 is a prime.

It is not a weakly prime, because it can be changed into another prime (1342402027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671201028 + 671201029.

It is an arithmetic number, because the mean of its divisors is an integer number (671201029).

Almost surely, 2^1342402057 is an apocalyptic number.

It is an amenable number.

1342402057 is a deficient number, since it is larger than the sum of its proper divisors (1).

1342402057 is an equidigital number, since it uses as much as digits as its factorization.

1342402057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 1342402057 is about 36638.8053435152. The cubic root of 1342402057 is about 1103.1321356391.

Adding to 1342402057 its reverse (7502042431), we get a palindrome (8844444488).

The spelling of 1342402057 in words is "one billion, three hundred forty-two million, four hundred two thousand, fifty-seven".