135015091 has 8 divisors (see below), whose sum is σ = 140259168. Its totient is φ = 129864000.

The previous prime is 135015079. The next prime is 135015103. The reversal of 135015091 is 190510531.

It is an interprime number because it is at equal distance from previous prime (135015079) and next prime (135015103).

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 135015091 - 2¹³ = 135006899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135015031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20280 + ... + 26101.

It is an arithmetic number, because the mean of its divisors is an integer number (17532396).

Almost surely, 2^135015091 is an apocalyptic number.

135015091 is a deficient number, since it is larger than the sum of its proper divisors (5244077).

135015091 is an equidigital number, since it uses as much as digits as its factorization.

135015091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46493.

The product of its (nonzero) digits is 675, while the sum is 25.

The square root of 135015091 is about 11619.5994337154. The cubic root of 135015091 is about 513.0118982886.

The spelling of 135015091 in words is "one hundred thirty-five million, fifteen thousand, ninety-one".