1342186437157 has 2 divisors, whose sum is σ = 1342186437158. Its totient is φ = 1342186437156.

The previous prime is 1342186437143. The next prime is 1342186437191. The reversal of 1342186437157 is 7517346812431.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 910486189636 + 431700247521 = 954194^2 + 657039^2 .

It is a cyclic number.

It is not a de Polignac number, because 1342186437157 - 2¹⁵ = 1342186404389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1342186435157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671093218578 + 671093218579.

It is an arithmetic number, because the mean of its divisors is an integer number (671093218579).

Almost surely, 2^{1342186437157} is an apocalyptic number.

It is an amenable number.

1342186437157 is a deficient number, since it is larger than the sum of its proper divisors (1).

1342186437157 is an equidigital number, since it uses as much as digits as its factorization.

1342186437157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3386880, while the sum is 52.

The spelling of 1342186437157 in words is "one trillion, three hundred forty-two billion, one hundred eighty-six million, four hundred thirty-seven thousand, one hundred fifty-seven".