191914136 has 32 divisors (see below), whose sum is σ = 384134400. Its totient is φ = 89621280.

The previous prime is 191914133. The next prime is 191914157. The reversal of 191914136 is 631419191.

It is a junction number, because it is equal to n+sod(n) for n = 191914096 and 191914105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (191914133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1901 + ... + 19683.

It is an arithmetic number, because the mean of its divisors is an integer number (12004200).

Almost surely, 2^191914136 is an apocalyptic number.

It is an amenable number.

191914136 is an abundant number, since it is smaller than the sum of its proper divisors (192220264).

191914136 is a wasteful number, since it uses less digits than its factorization.

191914136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17879 (or 17875 counting only the distinct ones).

The product of its digits is 5832, while the sum is 35.

The square root of 191914136 is about 13853.3077638519. The cubic root of 191914136 is about 576.8138171632.

The spelling of 191914136 in words is "one hundred ninety-one million, nine hundred fourteen thousand, one hundred thirty-six".