1420134113 has 4 divisors (see below), whose sum is σ = 1420488900. Its totient is φ = 1419779328.

The previous prime is 1420134061. The next prime is 1420134137. The reversal of 1420134113 is 3114310241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 315701824 + 1104432289 = 17768^2 + 33233^2 .

It is a cyclic number.

It is not a de Polignac number, because 1420134113 - 2¹² = 1420130017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1420134143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171320 + ... + 179417.

It is an arithmetic number, because the mean of its divisors is an integer number (355122225).

Almost surely, 2^1420134113 is an apocalyptic number.

It is an amenable number.

1420134113 is a deficient number, since it is larger than the sum of its proper divisors (354787).

1420134113 is an equidigital number, since it uses as much as digits as its factorization.

1420134113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354786.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1420134113 is about 37684.6668155631. Note that the first 3 decimals coincide. The cubic root of 1420134113 is about 1124.0262488963.

Adding to 1420134113 its reverse (3114310241), we get a palindrome (4534444354).

The spelling of 1420134113 in words is "one billion, four hundred twenty million, one hundred thirty-four thousand, one hundred thirteen".