135100427 has 16 divisors (see below), whose sum is σ = 169938432. Its totient is φ = 104334720.

The previous prime is 135100423. The next prime is 135100439. The reversal of 135100427 is 724001531.

It is not a de Polignac number, because 135100427 - 2² = 135100423 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135100423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 938 + ... + 16464.

It is an arithmetic number, because the mean of its divisors is an integer number (10621152).

Almost surely, 2^135100427 is an apocalyptic number.

135100427 is a deficient number, since it is larger than the sum of its proper divisors (34838005).

135100427 is a wasteful number, since it uses less digits than its factorization.

135100427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15658.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 135100427 is about 11623.2709251742. The cubic root of 135100427 is about 513.1199582171.

Adding to 135100427 its reverse (724001531), we get a palindrome (859101958).

The spelling of 135100427 in words is "one hundred thirty-five million, one hundred thousand, four hundred twenty-seven".