1420144265 has 16 divisors (see below), whose sum is σ = 1837624320. Its totient is φ = 1050065280.

The previous prime is 1420144241. The next prime is 1420144289. The reversal of 1420144265 is 5624410241.

It is an interprime number because it is at equal distance from previous prime (1420144241) and next prime (1420144289).

It is not a de Polignac number, because 1420144265 - 2⁸ = 1420144009 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 178409 + ... + 186198.

It is an arithmetic number, because the mean of its divisors is an integer number (114851520).

Almost surely, 2^1420144265 is an apocalyptic number.

It is an amenable number.

1420144265 is a deficient number, since it is larger than the sum of its proper divisors (417480055).

1420144265 is a wasteful number, since it uses less digits than its factorization.

1420144265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364672.

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 1420144265 is about 37684.8015120154. The cubic root of 1420144265 is about 1124.0289273023.

The spelling of 1420144265 in words is "one billion, four hundred twenty million, one hundred forty-four thousand, two hundred sixty-five".