63139893135 has 32 divisors (see below), whose sum is σ = 114999464448. Its totient is φ = 29282267520.

The previous prime is 63139893083. The next prime is 63139893161. The reversal of 63139893135 is 53139893136.

It is not a de Polignac number, because 63139893135 - 2⁶ = 63139893071 is a prime.

It is a super-2 number, since 2×63139893135² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8315032 + ... + 8322621.

It is an arithmetic number, because the mean of its divisors is an integer number (3593733264).

Almost surely, 2^63139893135 is an apocalyptic number.

63139893135 is a deficient number, since it is larger than the sum of its proper divisors (51859571313).

63139893135 is a wasteful number, since it uses less digits than its factorization.

63139893135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16637695.

The product of its digits is 1574640, while the sum is 51.

Subtracting from 63139893135 its reverse (53139893136), we obtain a palindrome (9999999999).

The spelling of 63139893135 in words is "sixty-three billion, one hundred thirty-nine million, eight hundred ninety-three thousand, one hundred thirty-five".