65134490 has 16 divisors (see below), whose sum is σ = 118167552. Its totient is φ = 25848144.

The previous prime is 65134457. The next prime is 65134523. The reversal of 65134490 is 9443156.

It is an interprime number because it is at equal distance from previous prime (65134457) and next prime (65134523).

It is a super-4 number, since 4×65134490⁴ (a number of 32 digits) contains 4444 as substring.

It is a Curzon number.

It is an unprimeable number.

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, 24374 + ... + 26913.

It is an arithmetic number, because the mean of its divisors is an integer number (7385472).

Almost surely, 2^65134490 is an apocalyptic number.

65134490 is a deficient number, since it is larger than the sum of its proper divisors (53033062).

65134490 is a wasteful number, since it uses less digits than its factorization.

65134490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51421.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 65134490 is about 8070.5941540880. The cubic root of 65134490 is about 402.3496911851.

The spelling of 65134490 in words is "sixty-five million, one hundred thirty-four thousand, four hundred ninety".