65147090 has 16 divisors (see below), whose sum is σ = 117357120. Its totient is φ = 26038320.

The previous prime is 65147087. The next prime is 65147141. The reversal of 65147090 is 9074156.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21701 + ... + 24519.

It is an arithmetic number, because the mean of its divisors is an integer number (7334820).

Almost surely, 2^65147090 is an apocalyptic number.

65147090 is a deficient number, since it is larger than the sum of its proper divisors (52210030).

65147090 is a wasteful number, since it uses less digits than its factorization.

65147090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5137.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 65147090 is about 8071.3747280126. The cubic root of 65147090 is about 402.3756338116.

The spelling of 65147090 in words is "sixty-five million, one hundred forty-seven thousand, ninety".