1300140143 has 4 divisors (see below), whose sum is σ = 1318452048. Its totient is φ = 1281828240.

The previous prime is 1300140139. The next prime is 1300140169. The reversal of 1300140143 is 3410410031.

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

It is a cyclic number.

It is not a de Polignac number, because 1300140143 - 2² = 1300140139 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 (1300140133) 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, 9155846 + ... + 9155987.

It is an arithmetic number, because the mean of its divisors is an integer number (329613012).

Almost surely, 2^1300140143 is an apocalyptic number.

1300140143 is a deficient number, since it is larger than the sum of its proper divisors (18311905).

1300140143 is an equidigital number, since it uses as much as digits as its factorization.

1300140143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18311904.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1300140143 is about 36057.4561360060. The cubic root of 1300140143 is about 1091.4320998757.

Adding to 1300140143 its reverse (3410410031), we get a palindrome (4710550174).

The spelling of 1300140143 in words is "one billion, three hundred million, one hundred forty thousand, one hundred forty-three".