135807091 has 8 divisors (see below), whose sum is σ = 155299680. Its totient is φ = 116337408.

The previous prime is 135807073. The next prime is 135807097. The reversal of 135807091 is 190708531.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 135807091 - 2⁵ = 135807059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135807097) 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, 9795 + ... + 19171.

It is an arithmetic number, because the mean of its divisors is an integer number (19412460).

Almost surely, 2^135807091 is an apocalyptic number.

135807091 is a deficient number, since it is larger than the sum of its proper divisors (19492589).

135807091 is an equidigital number, since it uses as much as digits as its factorization.

135807091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11453.

The product of its (nonzero) digits is 7560, while the sum is 34.

The square root of 135807091 is about 11653.6299495050. The cubic root of 135807091 is about 514.0130543703.

The spelling of 135807091 in words is "one hundred thirty-five million, eight hundred seven thousand, ninety-one".