1420533077 has 4 divisors (see below), whose sum is σ = 1420616736. Its totient is φ = 1420449420.

The previous prime is 1420533053. The next prime is 1420533091. The reversal of 1420533077 is 7703350241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7703350241 = 1621 ⋅4752221.

It is a cyclic number.

It is not a de Polignac number, because 1420533077 - 2¹⁴ = 1420516693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420533007) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 6299 + ... + 53672.

It is an arithmetic number, because the mean of its divisors is an integer number (355154184).

Almost surely, 2^1420533077 is an apocalyptic number.

It is an amenable number.

1420533077 is a deficient number, since it is larger than the sum of its proper divisors (83659).

1420533077 is an equidigital number, since it uses as much as digits as its factorization.

1420533077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83658.

The product of its (nonzero) digits is 17640, while the sum is 32.

The square root of 1420533077 is about 37689.9598965029. The cubic root of 1420533077 is about 1124.1314981156.

The spelling of 1420533077 in words is "one billion, four hundred twenty million, five hundred thirty-three thousand, seventy-seven".