1402443071 has 4 divisors (see below), whose sum is σ = 1402527000. Its totient is φ = 1402359144.

The previous prime is 1402443061. The next prime is 1402443083. The reversal of 1402443071 is 1703442041.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1402443071 - 2¹⁴ = 1402426687 is a prime.

It is a super-2 number, since 2×1402443071² = 3933693134791822082, which contains 22 as substring.

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 1402443071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402443061) 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 in 3 ways as a sum of consecutive naturals, for example, 7421 + ... + 53478.

It is an arithmetic number, because the mean of its divisors is an integer number (350631750).

Almost surely, 2^1402443071 is an apocalyptic number.

1402443071 is a deficient number, since it is larger than the sum of its proper divisors (83929).

1402443071 is an equidigital number, since it uses as much as digits as its factorization.

1402443071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83928.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 1402443071 is about 37449.2065470018. The cubic root of 1402443071 is about 1119.3392869122.

The spelling of 1402443071 in words is "one billion, four hundred two million, four hundred forty-three thousand, seventy-one".