135353761 has 4 divisors (see below), whose sum is σ = 137260224. Its totient is φ = 133447300.

The previous prime is 135353747. The next prime is 135353767. The reversal of 135353761 is 167353531.

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, and also an emirpimes, since its reverse is a distinct semiprime: 167353531 = 31 ⋅5398501.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135353761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135353767) 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, 953125 + ... + 953266.

It is an arithmetic number, because the mean of its divisors is an integer number (34315056).

Almost surely, 2^135353761 is an apocalyptic number.

It is an amenable number.

135353761 is a deficient number, since it is larger than the sum of its proper divisors (1906463).

135353761 is an equidigital number, since it uses as much as digits as its factorization.

135353761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1906462.

The product of its digits is 28350, while the sum is 34.

The square root of 135353761 is about 11634.1635281614. The cubic root of 135353761 is about 513.4404841352.

The spelling of 135353761 in words is "one hundred thirty-five million, three hundred fifty-three thousand, seven hundred sixty-one".