135133761 has 16 divisors (see below), whose sum is σ = 206780288. Its totient is φ = 76896000.

The previous prime is 135133759. The next prime is 135133771. The reversal of 135133761 is 167331531.

It is not a de Polignac number, because 135133761 - 2¹ = 135133759 is a prime.

It is a super-2 number, since 2×135133761² = 36522266724010242, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (135133721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8290 + ... + 18411.

It is an arithmetic number, because the mean of its divisors is an integer number (12923768).

Almost surely, 2^135133761 is an apocalyptic number.

It is an amenable number.

135133761 is a deficient number, since it is larger than the sum of its proper divisors (71646527).

135133761 is a wasteful number, since it uses less digits than its factorization.

135133761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26952.

The product of its digits is 5670, while the sum is 30.

The square root of 135133761 is about 11624.7047704447. The cubic root of 135133761 is about 513.1621562928.

The spelling of 135133761 in words is "one hundred thirty-five million, one hundred thirty-three thousand, seven hundred sixty-one".