131078364856 has 16 divisors (see below), whose sum is σ = 245828798640. Its totient is φ = 65524018560.

The previous prime is 131078364839. The next prime is 131078364877. The reversal of 131078364856 is 658463870131.

It is a happy number.

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, 1858705 + ... + 1927936.

It is an arithmetic number, because the mean of its divisors is an integer number (15364299915).

Almost surely, 2^131078364856 is an apocalyptic number.

It is an amenable number.

131078364856 is a deficient number, since it is larger than the sum of its proper divisors (114750433784).

131078364856 is a wasteful number, since it uses less digits than its factorization.

131078364856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3790974 (or 3790970 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 52.

The spelling of 131078364856 in words is "one hundred thirty-one billion, seventy-eight million, three hundred sixty-four thousand, eight hundred fifty-six".