143805902013 has 8 divisors (see below), whose sum is σ = 213045780800. Its totient is φ = 95870601324.

The previous prime is 143805901973. The next prime is 143805902039. The reversal of 143805902013 is 310209508341.

143805902013 is a `hidden beast` number, since 1 + 4 + 38 + 0 + 590 + 20 + 13 = 666.

It is not a de Polignac number, because 143805902013 - 2¹³ = 143805893821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143805902063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2663072233 + ... + 2663072286.

It is an arithmetic number, because the mean of its divisors is an integer number (26630722600).

Almost surely, 2^143805902013 is an apocalyptic number.

It is an amenable number.

143805902013 is a deficient number, since it is larger than the sum of its proper divisors (69239878787).

143805902013 is an equidigital number, since it uses as much as digits as its factorization.

143805902013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5326144528 (or 5326144522 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 143805902013 in words is "one hundred forty-three billion, eight hundred five million, nine hundred two thousand, thirteen".