191349485 has 8 divisors (see below), whose sum is σ = 231272160. Its totient is φ = 151977744.

The previous prime is 191349469. The next prime is 191349493. The reversal of 191349485 is 584943191.

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

It is a cyclic number.

It is not a de Polignac number, because 191349485 - 2⁴ = 191349469 is a prime.

It is a super-2 number, since 2×191349485² = 73229250819530450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 136967 + ... + 138356.

It is an arithmetic number, because the mean of its divisors is an integer number (28909020).

Almost surely, 2^191349485 is an apocalyptic number.

It is an amenable number.

191349485 is a deficient number, since it is larger than the sum of its proper divisors (39922675).

191349485 is a wasteful number, since it uses less digits than its factorization.

191349485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275467.

The product of its digits is 155520, while the sum is 44.

The square root of 191349485 is about 13832.9131060670. The cubic root of 191349485 is about 576.2475596818.

The spelling of 191349485 in words is "one hundred ninety-one million, three hundred forty-nine thousand, four hundred eighty-five".