143139653 has 2 divisors, whose sum is σ = 143139654. Its totient is φ = 143139652.

The previous prime is 143139637. The next prime is 143139683. The reversal of 143139653 is 356931341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102779044 + 40360609 = 10138^2 + 6353^2 .

It is a cyclic number.

It is not a de Polignac number, because 143139653 - 2⁴ = 143139637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143139683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71569826 + 71569827.

It is an arithmetic number, because the mean of its divisors is an integer number (71569827).

Almost surely, 2^143139653 is an apocalyptic number.

It is an amenable number.

143139653 is a deficient number, since it is larger than the sum of its proper divisors (1).

143139653 is an equidigital number, since it uses as much as digits as its factorization.

143139653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29160, while the sum is 35.

The square root of 143139653 is about 11964.0985034394. The cubic root of 143139653 is about 523.1023286619.

The spelling of 143139653 in words is "one hundred forty-three million, one hundred thirty-nine thousand, six hundred fifty-three".