135047357 has 4 divisors (see below), whose sum is σ = 135071520. Its totient is φ = 135023196.

The previous prime is 135047347. The next prime is 135047369. The reversal of 135047357 is 753740531.

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 135047357 - 2¹⁸ = 134785213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135047347) 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, 1088 + ... + 16470.

It is an arithmetic number, because the mean of its divisors is an integer number (33767880).

Almost surely, 2^135047357 is an apocalyptic number.

It is an amenable number.

135047357 is a deficient number, since it is larger than the sum of its proper divisors (24163).

135047357 is an equidigital number, since it uses as much as digits as its factorization.

135047357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24162.

The product of its (nonzero) digits is 44100, while the sum is 35.

The square root of 135047357 is about 11620.9877807353. The cubic root of 135047357 is about 513.0527616799.

Adding to 135047357 its reverse (753740531), we get a palindrome (888787888).

The spelling of 135047357 in words is "one hundred thirty-five million, forty-seven thousand, three hundred fifty-seven".