8194151 has 4 divisors (see below), whose sum is σ = 9364752. Its totient is φ = 7023552.

The previous prime is 8194139. The next prime is 8194159. The reversal of 8194151 is 1514918.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8194151 - 2¹⁰ = 8193127 is a prime.

It is a super-2 number, since 2×8194151² = 134288221221602, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8194159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 585290 + ... + 585303.

It is an arithmetic number, because the mean of its divisors is an integer number (2341188).

Almost surely, 2^8194151 is an apocalyptic number.

8194151 is a deficient number, since it is larger than the sum of its proper divisors (1170601).

8194151 is a wasteful number, since it uses less digits than its factorization.

8194151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1170600.

The product of its digits is 1440, while the sum is 29.

The square root of 8194151 is about 2862.5427507725. The cubic root of 8194151 is about 201.6050102554.

The spelling of 8194151 in words is "eight million, one hundred ninety-four thousand, one hundred fifty-one".