135226157 has 8 divisors (see below), whose sum is σ = 151506912. Its totient is φ = 119610000.

The previous prime is 135226153. The next prime is 135226187. The reversal of 135226157 is 751622531.

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 135226157 - 2² = 135226153 is a prime.

It is a super-2 number, since 2×135226157² = 36572227073977298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135226153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165719 + ... + 166532.

It is an arithmetic number, because the mean of its divisors is an integer number (18938364).

Almost surely, 2^135226157 is an apocalyptic number.

It is an amenable number.

135226157 is a deficient number, since it is larger than the sum of its proper divisors (16280755).

135226157 is a wasteful number, since it uses less digits than its factorization.

135226157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332299.

The product of its digits is 12600, while the sum is 32.

The square root of 135226157 is about 11628.6782137954. The cubic root of 135226157 is about 513.2790856919.

Adding to 135226157 its reverse (751622531), we get a palindrome (886848688).

The spelling of 135226157 in words is "one hundred thirty-five million, two hundred twenty-six thousand, one hundred fifty-seven".