143013929 has 2 divisors, whose sum is σ = 143013930. Its totient is φ = 143013928.

The previous prime is 143013919. The next prime is 143013947. The reversal of 143013929 is 929310341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 140469904 + 2544025 = 11852^2 + 1595^2 .

It is an emirp because it is prime and its reverse (929310341) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143013929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 143013895 and 143013904.

It is not a weakly prime, because it can be changed into another prime (143013919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71506964 + 71506965.

It is an arithmetic number, because the mean of its divisors is an integer number (71506965).

Almost surely, 2^143013929 is an apocalyptic number.

It is an amenable number.

143013929 is a deficient number, since it is larger than the sum of its proper divisors (1).

143013929 is an equidigital number, since it uses as much as digits as its factorization.

143013929 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 143013929 is about 11958.8431296677. The cubic root of 143013929 is about 522.9491314634.

The spelling of 143013929 in words is "one hundred forty-three million, thirteen thousand, nine hundred twenty-nine".