135662147 has 4 divisors (see below), whose sum is σ = 142802280. Its totient is φ = 128522016.

The previous prime is 135662123. The next prime is 135662161. The reversal of 135662147 is 741266531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 741266531 = 97 ⋅7641923.

It is a cyclic number.

It is not a de Polignac number, because 135662147 - 2¹⁶ = 135596611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135662117) 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, 3570038 + ... + 3570075.

It is an arithmetic number, because the mean of its divisors is an integer number (35700570).

Almost surely, 2^135662147 is an apocalyptic number.

135662147 is a deficient number, since it is larger than the sum of its proper divisors (7140133).

135662147 is an equidigital number, since it uses as much as digits as its factorization.

135662147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7140132.

The product of its digits is 30240, while the sum is 35.

The square root of 135662147 is about 11647.4094544667. The cubic root of 135662147 is about 513.8301242338.

The spelling of 135662147 in words is "one hundred thirty-five million, six hundred sixty-two thousand, one hundred forty-seven".