1402202143 has 4 divisors (see below), whose sum is σ = 1484684640. Its totient is φ = 1319719648.

The previous prime is 1402202141. The next prime is 1402202149. The reversal of 1402202143 is 3412022041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3412022041 = 5417 ⋅629873.

It is a cyclic number.

It is not a de Polignac number, because 1402202143 - 2¹ = 1402202141 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1402202143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402202141) 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 in 3 ways as a sum of consecutive naturals, for example, 41241223 + ... + 41241256.

It is an arithmetic number, because the mean of its divisors is an integer number (371171160).

Almost surely, 2^1402202143 is an apocalyptic number.

1402202143 is a deficient number, since it is larger than the sum of its proper divisors (82482497).

1402202143 is an equidigital number, since it uses as much as digits as its factorization.

1402202143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82482496.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1402202143 is about 37445.9896784689. The cubic root of 1402202143 is about 1119.2751855295.

Adding to 1402202143 its reverse (3412022041), we get a palindrome (4814224184).

The spelling of 1402202143 in words is "one billion, four hundred two million, two hundred two thousand, one hundred forty-three".