135545053 has 4 divisors (see below), whose sum is σ = 154908640. Its totient is φ = 116181468.

The previous prime is 135545041. The next prime is 135545071. The reversal of 135545053 is 350545531.

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 a de Polignac number, because none of the positive numbers 2^k-135545053 is a prime.

It is a super-2 number, since 2×135545053² = 36744922785545618, 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 (135545083) 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, 9681783 + ... + 9681796.

It is an arithmetic number, because the mean of its divisors is an integer number (38727160).

Almost surely, 2^135545053 is an apocalyptic number.

It is an amenable number.

135545053 is a deficient number, since it is larger than the sum of its proper divisors (19363587).

135545053 is an equidigital number, since it uses as much as digits as its factorization.

135545053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19363586.

The product of its (nonzero) digits is 22500, while the sum is 31.

The square root of 135545053 is about 11642.3817580425. The cubic root of 135545053 is about 513.6822477021.

The spelling of 135545053 in words is "one hundred thirty-five million, five hundred forty-five thousand, fifty-three".