1214146065 has 96 divisors (see below), whose sum is σ = 2238179328. Its totient is φ = 561052800.

The previous prime is 1214146033. The next prime is 1214146067. The reversal of 1214146065 is 5606414121.

It is not a de Polignac number, because 1214146065 - 2⁵ = 1214146033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1214146067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3667950 + ... + 3668280.

It is an arithmetic number, because the mean of its divisors is an integer number (23314368).

Almost surely, 2^1214146065 is an apocalyptic number.

1214146065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1214146065 is a deficient number, since it is larger than the sum of its proper divisors (1024033263).

1214146065 is a wasteful number, since it uses less digits than its factorization.

1214146065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451 (or 440 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 1214146065 is about 34844.5987923523. The cubic root of 1214146065 is about 1066.8179446359.

The spelling of 1214146065 in words is "one billion, two hundred fourteen million, one hundred forty-six thousand, sixty-five".