65130389 has 4 divisors (see below), whose sum is σ = 65308224. Its totient is φ = 64952556.

The previous prime is 65130353. The next prime is 65130407. The reversal of 65130389 is 98303156.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 65130389 - 2⁸ = 65130133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65130589) 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, 88367 + ... + 89100.

It is an arithmetic number, because the mean of its divisors is an integer number (16327056).

Almost surely, 2^65130389 is an apocalyptic number.

It is an amenable number.

65130389 is a deficient number, since it is larger than the sum of its proper divisors (177835).

65130389 is a wasteful number, since it uses less digits than its factorization.

65130389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177834.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 65130389 is about 8070.3400795753. The cubic root of 65130389 is about 402.3412467562.

The spelling of 65130389 in words is "sixty-five million, one hundred thirty thousand, three hundred eighty-nine".