402142443137 has 2 divisors, whose sum is σ = 402142443138. Its totient is φ = 402142443136.

The previous prime is 402142443107. The next prime is 402142443149. The reversal of 402142443137 is 731344241204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 274928240896 + 127214202241 = 524336^2 + 356671^2 .

It is a cyclic number.

It is not a de Polignac number, because 402142443137 - 2¹⁶ = 402142377601 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 402142443097 and 402142443106.

It is not a weakly prime, because it can be changed into another prime (402142443107) 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 as a sum of consecutive naturals, namely, 201071221568 + 201071221569.

It is an arithmetic number, because the mean of its divisors is an integer number (201071221569).

Almost surely, 2^402142443137 is an apocalyptic number.

It is an amenable number.

402142443137 is a deficient number, since it is larger than the sum of its proper divisors (1).

402142443137 is an equidigital number, since it uses as much as digits as its factorization.

402142443137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64512, while the sum is 35.

The spelling of 402142443137 in words is "four hundred two billion, one hundred forty-two million, four hundred forty-three thousand, one hundred thirty-seven".