135126007 has 4 divisors (see below), whose sum is σ = 135482920. Its totient is φ = 134769096.

The previous prime is 135125999. The next prime is 135126023. The reversal of 135126007 is 700621531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 700621531 = 1069 ⋅655399.

It is a cyclic number.

It is not a de Polignac number, because 135126007 - 2³ = 135125999 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 (135126067) 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, 177888 + ... + 178645.

It is an arithmetic number, because the mean of its divisors is an integer number (33870730).

Almost surely, 2^135126007 is an apocalyptic number.

135126007 is a deficient number, since it is larger than the sum of its proper divisors (356913).

135126007 is an equidigital number, since it uses as much as digits as its factorization.

135126007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356912.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 135126007 is about 11624.3712518140. The cubic root of 135126007 is about 513.1523409922.

Adding to 135126007 its reverse (700621531), we get a palindrome (835747538).

The spelling of 135126007 in words is "one hundred thirty-five million, one hundred twenty-six thousand, seven".