1420142066 has 32 divisors (see below), whose sum is σ = 2503768320. Its totient is φ = 591368256.

The previous prime is 1420142047. The next prime is 1420142069. The reversal of 1420142066 is 6602410241.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1420142069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 507800 + ... + 510588.

It is an arithmetic number, because the mean of its divisors is an integer number (78242760).

Almost surely, 2^1420142066 is an apocalyptic number.

1420142066 is a deficient number, since it is larger than the sum of its proper divisors (1083626254).

1420142066 is a wasteful number, since it uses less digits than its factorization.

1420142066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3818.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 1420142066 is about 37684.7723357857. The cubic root of 1420142066 is about 1124.0283471404.

The spelling of 1420142066 in words is "one billion, four hundred twenty million, one hundred forty-two thousand, sixty-six".