1802142435133 has 4 divisors (see below), whose sum is σ = 1808841849660. Its totient is φ = 1795443020608.

The previous prime is 1802142435113. The next prime is 1802142435143. The reversal of 1802142435133 is 3315342412081.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 240509814724 + 1561632620409 = 490418^2 + 1249653^2 .

It is a cyclic number.

It is not a de Polignac number, because 1802142435133 - 2⁵ = 1802142435101 is a prime.

It is a super-2 number, since 2×1802142435133² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1802142435092 and 1802142435101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1802142435113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3349706860 + ... + 3349707397.

It is an arithmetic number, because the mean of its divisors is an integer number (452210462415).

Almost surely, 2^{1802142435133} is an apocalyptic number.

It is an amenable number.

1802142435133 is a deficient number, since it is larger than the sum of its proper divisors (6699414527).

1802142435133 is an equidigital number, since it uses as much as digits as its factorization.

1802142435133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6699414526.

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 1802142435133 in words is "one trillion, eight hundred two billion, one hundred forty-two million, four hundred thirty-five thousand, one hundred thirty-three".