10135142218 has 4 divisors (see below), whose sum is σ = 15202713330. Its totient is φ = 5067571108.

The previous prime is 10135142179. The next prime is 10135142219. The reversal of 10135142218 is 81224153101.

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

It can be written as a sum of positive squares in only one way, i.e., 9285827769 + 849314449 = 96363^2 + 29143^2 .

It is a super-2 number, since 2×10135142218² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10135142219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2533785553 + ... + 2533785556.

Almost surely, 2^10135142218 is an apocalyptic number.

10135142218 is a deficient number, since it is larger than the sum of its proper divisors (5067571112).

10135142218 is an equidigital number, since it uses as much as digits as its factorization.

10135142218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5067571111.

The product of its (nonzero) digits is 1920, while the sum is 28.

Adding to 10135142218 its reverse (81224153101), we get a palindrome (91359295319).

The spelling of 10135142218 in words is "ten billion, one hundred thirty-five million, one hundred forty-two thousand, two hundred eighteen".