135656151 has 4 divisors (see below), whose sum is σ = 180874872. Its totient is φ = 90437432.

The previous prime is 135656123. The next prime is 135656177. The reversal of 135656151 is 151656531.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 135656151 - 2¹⁷ = 135525079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135656051) 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, 22609356 + ... + 22609361.

It is an arithmetic number, because the mean of its divisors is an integer number (45218718).

Almost surely, 2^135656151 is an apocalyptic number.

135656151 is a deficient number, since it is larger than the sum of its proper divisors (45218721).

135656151 is an equidigital number, since it uses as much as digits as its factorization.

135656151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45218720.

The product of its digits is 13500, while the sum is 33.

The square root of 135656151 is about 11647.1520553310. The cubic root of 135656151 is about 513.8225540287.

The spelling of 135656151 in words is "one hundred thirty-five million, six hundred fifty-six thousand, one hundred fifty-one".