194151093 has 8 divisors (see below), whose sum is σ = 260456928. Its totient is φ = 128639664.

The previous prime is 194151053. The next prime is 194151103. The reversal of 194151093 is 390151491.

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

It is not a de Polignac number, because 194151093 - 2¹⁰ = 194150069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194151053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198030 + ... + 199007.

It is an arithmetic number, because the mean of its divisors is an integer number (32557116).

Almost surely, 2^194151093 is an apocalyptic number.

It is an amenable number.

194151093 is a deficient number, since it is larger than the sum of its proper divisors (66305835).

194151093 is a wasteful number, since it uses less digits than its factorization.

194151093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397203.

The product of its (nonzero) digits is 4860, while the sum is 33.

The square root of 194151093 is about 13933.8111441199. The cubic root of 194151093 is about 579.0462853874.

The spelling of 194151093 in words is "one hundred ninety-four million, one hundred fifty-one thousand, ninety-three".