135191375 has 16 divisors (see below), whose sum is σ = 184058784. Its totient is φ = 98320000.

The previous prime is 135191351. The next prime is 135191437. The reversal of 135191375 is 573191531.

It is not a de Polignac number, because 135191375 - 2¹² = 135187279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47786 + ... + 50535.

It is an arithmetic number, because the mean of its divisors is an integer number (11503674).

Almost surely, 2^135191375 is an apocalyptic number.

135191375 is a deficient number, since it is larger than the sum of its proper divisors (48867409).

135191375 is an equidigital number, since it uses as much as digits as its factorization.

135191375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98347 (or 98337 counting only the distinct ones).

The product of its digits is 14175, while the sum is 35.

The square root of 135191375 is about 11627.1825908085. The cubic root of 135191375 is about 513.2350744729.

The spelling of 135191375 in words is "one hundred thirty-five million, one hundred ninety-one thousand, three hundred seventy-five".