65394190 has 32 divisors (see below), whose sum is σ = 122247936. Its totient is φ = 25159680.

The previous prime is 65394137. The next prime is 65394193. The reversal of 65394190 is 9149356.

It is a super-2 number, since 2×65394190² = 8552800171512200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65394193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59284 + ... + 60376.

It is an arithmetic number, because the mean of its divisors is an integer number (3820248).

Almost surely, 2^65394190 is an apocalyptic number.

65394190 is a deficient number, since it is larger than the sum of its proper divisors (56853746).

65394190 is a wasteful number, since it uses less digits than its factorization.

65394190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1324.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 65394190 is about 8086.6674223687. The cubic root of 65394190 is about 402.8837228960.

The spelling of 65394190 in words is "sixty-five million, three hundred ninety-four thousand, one hundred ninety".