65890130 has 64 divisors (see below), whose sum is σ = 131010048. Its totient is φ = 23761920.

The previous prime is 65890129. The next prime is 65890151. The reversal of 65890130 is 3109856.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 639659 + ... + 639761.

It is an arithmetic number, because the mean of its divisors is an integer number (2047032).

Almost surely, 2^65890130 is an apocalyptic number.

65890130 is a deficient number, since it is larger than the sum of its proper divisors (65119918).

65890130 is a wasteful number, since it uses less digits than its factorization.

65890130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 65890130 is about 8117.2735570510. The cubic root of 65890130 is about 403.8996295115.

Adding to 65890130 its reverse (3109856), we get a palindrome (68999986).

The spelling of 65890130 in words is "sixty-five million, eight hundred ninety thousand, one hundred thirty".