1420540135 has 12 divisors (see below), whose sum is σ = 1982958408. Its totient is φ = 974084496.

The previous prime is 1420540127. The next prime is 1420540139. The reversal of 1420540135 is 5310450241.

It is a happy number.

It is not a de Polignac number, because 1420540135 - 2³ = 1420540127 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 (1420540139) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2898817 + ... + 2899306.

It is an arithmetic number, because the mean of its divisors is an integer number (165246534).

Almost surely, 2^1420540135 is an apocalyptic number.

1420540135 is a deficient number, since it is larger than the sum of its proper divisors (562418273).

1420540135 is an equidigital number, since it uses as much as digits as its factorization.

1420540135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5798142 (or 5798135 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1420540135 is about 37690.0535287495. The cubic root of 1420540135 is about 1124.1333598831.

Adding to 1420540135 its reverse (5310450241), we get a palindrome (6730990376).

The spelling of 1420540135 in words is "one billion, four hundred twenty million, five hundred forty thousand, one hundred thirty-five".