1420869375 has 60 divisors (see below), whose sum is σ = 2634337992. Its totient is φ = 737208000.

The previous prime is 1420869341. The next prime is 1420869379. The reversal of 1420869375 is 5739680241.

1420869375 is a `hidden beast` number, since 14 + 208 + 69 + 375 = 666.

1420869375 is digitally balanced in base 10, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1420869375 - 2¹² = 1420865279 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

1420869375 is strictly pandigital in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 1420869375.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420869379) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 204712 + ... + 211538.

It is a 1-persistent number, because it is pandigital, but 2⋅1420869375 = 2841738750 is not.

It is a vampire number, since it can be written as 20481 ⋅ 69375 (with its own digits).

Almost surely, 2^1420869375 is an apocalyptic number.

1420869375 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1420869375 is a deficient number, since it is larger than the sum of its proper divisors (1213468617).

1420869375 is an equidigital number, since it uses as much as digits as its factorization.

1420869375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6890 (or 6872 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 1420869375 is about 37694.4210062975. The cubic root of 1420869375 is about 1124.2202003434.

The spelling of 1420869375 in words is "one billion, four hundred twenty million, eight hundred sixty-nine thousand, three hundred seventy-five".