143400013 has 4 divisors (see below), whose sum is σ = 145127808. Its totient is φ = 141672220.

The previous prime is 143399957. The next prime is 143400053. The reversal of 143400013 is 310004341.

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.

It is a cyclic number.

It is not a de Polignac number, because 143400013 - 2¹⁷ = 143268941 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 143400013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143400053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 863773 + ... + 863938.

It is an arithmetic number, because the mean of its divisors is an integer number (36281952).

Almost surely, 2^143400013 is an apocalyptic number.

It is an amenable number.

143400013 is a deficient number, since it is larger than the sum of its proper divisors (1727795).

143400013 is an equidigital number, since it uses as much as digits as its factorization.

143400013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1727794.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 143400013 is about 11974.9744467368. The cubic root of 143400013 is about 523.4192975026.

Adding to 143400013 its reverse (310004341), we get a palindrome (453404354).

The spelling of 143400013 in words is "one hundred forty-three million, four hundred thousand, thirteen".