10135142194 has 32 divisors (see below), whose sum is σ = 16072798896. Its totient is φ = 4787527680.

The previous prime is 10135142179. The next prime is 10135142219. The reversal of 10135142194 is 49124153101.

It can be written as a sum of positive squares in 8 ways, for example, as 5570383225 + 4564758969 = 74635^2 + 67563^2 .

It is a super-2 number, since 2×10135142194² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 367114 + ... + 393754.

Almost surely, 2^10135142194 is an apocalyptic number.

10135142194 is a deficient number, since it is larger than the sum of its proper divisors (5937656702).

10135142194 is a wasteful number, since it uses less digits than its factorization.

10135142194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26830.

The product of its (nonzero) digits is 4320, while the sum is 31.

Adding to 10135142194 its reverse (49124153101), we get a palindrome (59259295295).

The spelling of 10135142194 in words is "ten billion, one hundred thirty-five million, one hundred forty-two thousand, one hundred ninety-four".