135237427 has 8 divisors (see below), whose sum is σ = 148028720. Its totient is φ = 122787360.

The previous prime is 135237419. The next prime is 135237437. The reversal of 135237427 is 724732531.

135237427 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 135237427 - 2³ = 135237419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 135237392 and 135237401.

It is not an unprimeable number, because it can be changed into a prime (135237437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84477 + ... + 86062.

It is an arithmetic number, because the mean of its divisors is an integer number (18503590).

Almost surely, 2^135237427 is an apocalyptic number.

135237427 is a deficient number, since it is larger than the sum of its proper divisors (12791293).

135237427 is a wasteful number, since it uses less digits than its factorization.

135237427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170613.

The product of its digits is 35280, while the sum is 34.

The square root of 135237427 is about 11629.1627815591. The cubic root of 135237427 is about 513.2933445077.

Adding to 135237427 its reverse (724732531), we get a palindrome (859969958).

The spelling of 135237427 in words is "one hundred thirty-five million, two hundred thirty-seven thousand, four hundred twenty-seven".