143387605013 has 4 divisors (see below), whose sum is σ = 143388587328. Its totient is φ = 143386622700.

The previous prime is 143387604973. The next prime is 143387605033. The reversal of 143387605013 is 310506783341.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143387605013 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 (143387605033) 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, 223631 + ... + 580332.

It is an arithmetic number, because the mean of its divisors is an integer number (35847146832).

Almost surely, 2^143387605013 is an apocalyptic number.

It is an amenable number.

143387605013 is a deficient number, since it is larger than the sum of its proper divisors (982315).

143387605013 is an equidigital number, since it uses as much as digits as its factorization.

143387605013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 982314.

The product of its (nonzero) digits is 181440, while the sum is 41.

The spelling of 143387605013 in words is "one hundred forty-three billion, three hundred eighty-seven million, six hundred five thousand, thirteen".