65140195 has 8 divisors (see below), whose sum is σ = 78510960. Its totient is φ = 51883680.

The previous prime is 65140193. The next prime is 65140211. The reversal of 65140195 is 59104156.

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

It is not a de Polignac number, because 65140195 - 2¹ = 65140193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65140193) by changing a digit.

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, 27301 + ... + 29590.

It is an arithmetic number, because the mean of its divisors is an integer number (9813870).

Almost surely, 2^65140195 is an apocalyptic number.

65140195 is a deficient number, since it is larger than the sum of its proper divisors (13370765).

65140195 is a wasteful number, since it uses less digits than its factorization.

65140195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57125.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 65140195 is about 8070.9475899674. The cubic root of 65140195 is about 402.3614378443.

The spelling of 65140195 in words is "sixty-five million, one hundred forty thousand, one hundred ninety-five".