131858042122 has 8 divisors (see below), whose sum is σ = 197986649472. Its totient is φ = 65862492300.

The previous prime is 131858042083. The next prime is 131858042143. The reversal of 131858042122 is 221240858131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 33261904 + ... + 33265867.

It is an arithmetic number, because the mean of its divisors is an integer number (24748331184).

Almost surely, 2^131858042122 is an apocalyptic number.

131858042122 is a deficient number, since it is larger than the sum of its proper divisors (66128607350).

131858042122 is an equidigital number, since it uses as much as digits as its factorization.

131858042122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66528764.

The product of its (nonzero) digits is 30720, while the sum is 37.

The spelling of 131858042122 in words is "one hundred thirty-one billion, eight hundred fifty-eight million, forty-two thousand, one hundred twenty-two".