10134143021 has 4 divisors (see below), whose sum is σ = 10272966972. Its totient is φ = 9995319072.

The previous prime is 10134142973. The next prime is 10134143027. The reversal of 10134143021 is 12034143101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12034143101 = 157 ⋅76650593.

It can be written as a sum of positive squares in 2 ways, for example, as 8164026025 + 1970116996 = 90355^2 + 44386^2 .

It is a cyclic number.

It is not a de Polignac number, because 10134143021 - 2⁶ = 10134142957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10134142984 and 10134143002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10134143027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69411866 + ... + 69412011.

It is an arithmetic number, because the mean of its divisors is an integer number (2568241743).

Almost surely, 2^10134143021 is an apocalyptic number.

It is an amenable number.

10134143021 is a deficient number, since it is larger than the sum of its proper divisors (138823951).

10134143021 is an equidigital number, since it uses as much as digits as its factorization.

10134143021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138823950.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 10134143021 its reverse (12034143101), we get a palindrome (22168286122).

The spelling of 10134143021 in words is "ten billion, one hundred thirty-four million, one hundred forty-three thousand, twenty-one".