135264237 has 4 divisors (see below), whose sum is σ = 180352320. Its totient is φ = 90176156.

The previous prime is 135264209. The next prime is 135264263. The reversal of 135264237 is 732462531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 135264237 - 2⁸ = 135263981 is a prime.

It is a super-2 number, since 2×135264237² = 36592827622384338, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 135264198 and 135264207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135214237) 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, 22544037 + ... + 22544042.

It is an arithmetic number, because the mean of its divisors is an integer number (45088080).

Almost surely, 2^135264237 is an apocalyptic number.

It is an amenable number.

135264237 is a deficient number, since it is larger than the sum of its proper divisors (45088083).

135264237 is an equidigital number, since it uses as much as digits as its factorization.

135264237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45088082.

The product of its digits is 30240, while the sum is 33.

The square root of 135264237 is about 11630.3154299443. The cubic root of 135264237 is about 513.3272613644.

The spelling of 135264237 in words is "one hundred thirty-five million, two hundred sixty-four thousand, two hundred thirty-seven".