142753813 has 2 divisors, whose sum is σ = 142753814. Its totient is φ = 142753812.

The previous prime is 142753781. The next prime is 142753817. The reversal of 142753813 is 318357241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 141657604 + 1096209 = 11902^2 + 1047^2 .

It is a cyclic number.

It is not a de Polignac number, because 142753813 - 2⁵ = 142753781 is a prime.

It is a super-2 number, since 2×142753813² = 40757302252077938, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142753817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71376906 + 71376907.

It is an arithmetic number, because the mean of its divisors is an integer number (71376907).

Almost surely, 2^142753813 is an apocalyptic number.

It is an amenable number.

142753813 is a deficient number, since it is larger than the sum of its proper divisors (1).

142753813 is an equidigital number, since it uses as much as digits as its factorization.

142753813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 34.

The square root of 142753813 is about 11947.9627133667. The cubic root of 142753813 is about 522.6318896621.

The spelling of 142753813 in words is "one hundred forty-two million, seven hundred fifty-three thousand, eight hundred thirteen".