63857130140 has 12 divisors (see below), whose sum is σ = 134099973336. Its totient is φ = 25542852048.

The previous prime is 63857130119. The next prime is 63857130173. The reversal of 63857130140 is 4103175836.

It is a junction number, because it is equal to n+sod(n) for n = 63857130094 and 63857130103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1596428234 + ... + 1596428273.

It is an arithmetic number, because the mean of its divisors is an integer number (11174997778).

Almost surely, 2^63857130140 is an apocalyptic number.

It is an amenable number.

63857130140 is an abundant number, since it is smaller than the sum of its proper divisors (70242843196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63857130140 is a wasteful number, since it uses less digits than its factorization.

63857130140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3192856516 (or 3192856514 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The spelling of 63857130140 in words is "sixty-three billion, eight hundred fifty-seven million, one hundred thirty thousand, one hundred forty".