135271761 has 8 divisors (see below), whose sum is σ = 181033920. Its totient is φ = 89845392.

The previous prime is 135271757. The next prime is 135271769. The reversal of 135271761 is 167172531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 135271761 - 2² = 135271757 is a prime.

It is a super-2 number, since 2×135271761² = 36596898648082242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (135271769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83005 + ... + 84618.

It is an arithmetic number, because the mean of its divisors is an integer number (22629240).

Almost surely, 2^135271761 is an apocalyptic number.

It is an amenable number.

135271761 is a deficient number, since it is larger than the sum of its proper divisors (45762159).

135271761 is a wasteful number, since it uses less digits than its factorization.

135271761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167895.

The product of its digits is 8820, while the sum is 33.

The square root of 135271761 is about 11630.6388904479. The cubic root of 135271761 is about 513.3367790384.

The spelling of 135271761 in words is "one hundred thirty-five million, two hundred seventy-one thousand, seven hundred sixty-one".