65390102 has 8 divisors (see below), whose sum is σ = 98326200. Its totient is φ = 32614704.

The previous prime is 65390093. The next prime is 65390107. The reversal of 65390102 is 20109356.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65390107) 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, 39152 + ... + 40787.

It is an arithmetic number, because the mean of its divisors is an integer number (12290775).

Almost surely, 2^65390102 is an apocalyptic number.

65390102 is a deficient number, since it is larger than the sum of its proper divisors (32936098).

65390102 is a wasteful number, since it uses less digits than its factorization.

65390102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80350.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 65390102 is about 8086.4146566943. The cubic root of 65390102 is about 402.8753275376.

Adding to 65390102 its reverse (20109356), we get a palindrome (85499458).

The spelling of 65390102 in words is "sixty-five million, three hundred ninety thousand, one hundred two".