135092691 has 24 divisors (see below), whose sum is σ = 203707504. Its totient is φ = 89462880.

The previous prime is 135092689. The next prime is 135092729. The reversal of 135092691 is 196290531.

It is not a de Polignac number, because 135092691 - 2¹ = 135092689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135092611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36381 + ... + 39921.

Almost surely, 2^135092691 is an apocalyptic number.

135092691 is a deficient number, since it is larger than the sum of its proper divisors (68614813).

135092691 is an equidigital number, since it uses as much as digits as its factorization.

135092691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3713 (or 3701 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 36.

The square root of 135092691 is about 11622.9381397304. The cubic root of 135092691 is about 513.1101640912.

The spelling of 135092691 in words is "one hundred thirty-five million, ninety-two thousand, six hundred ninety-one".