191254763141 has 12 divisors (see below), whose sum is σ = 207150770592. Its totient is φ = 176498174736.

The previous prime is 191254763131. The next prime is 191254763149. The reversal of 191254763141 is 141367452191.

It is not a de Polignac number, because 191254763141 - 2¹⁰ = 191254762117 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 191254763092 and 191254763101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (191254763149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 535970 + ... + 818396.

It is an arithmetic number, because the mean of its divisors is an integer number (17262564216).

Almost surely, 2^191254763141 is an apocalyptic number.

It is an amenable number.

191254763141 is a deficient number, since it is larger than the sum of its proper divisors (15896007451).

191254763141 is a wasteful number, since it uses less digits than its factorization.

191254763141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286460 (or 286447 counting only the distinct ones).

The product of its digits is 181440, while the sum is 44.

The spelling of 191254763141 in words is "one hundred ninety-one billion, two hundred fifty-four million, seven hundred sixty-three thousand, one hundred forty-one".