191410009142 has 24 divisors (see below), whose sum is σ = 322303913568. Its totient is φ = 85153383920.

The previous prime is 191410009139. The next prime is 191410009163. The reversal of 191410009142 is 241900014191.

191410009142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 191410009099 and 191410009108.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 8402993 + ... + 8425740.

It is an arithmetic number, because the mean of its divisors is an integer number (13429329732).

Almost surely, 2^191410009142 is an apocalyptic number.

191410009142 is a deficient number, since it is larger than the sum of its proper divisors (130893904426).

191410009142 is a wasteful number, since it uses less digits than its factorization.

191410009142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16828804 (or 16828793 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 32.

The spelling of 191410009142 in words is "one hundred ninety-one billion, four hundred ten million, nine thousand, one hundred forty-two".