135190597 has 6 divisors (see below), whose sum is σ = 139693254. Its totient is φ = 130828680.

The previous prime is 135190591. The next prime is 135190631. The reversal of 135190597 is 795091531.

It can be written as a sum of positive squares in only one way, i.e., 99022401 + 36168196 = 9951^2 + 6014^2 .

It is not a de Polignac number, because 135190597 - 2⁷ = 135190469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135190591) 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 5 ways as a sum of consecutive naturals, for example, 69378 + ... + 71299.

It is an arithmetic number, because the mean of its divisors is an integer number (23282209).

Almost surely, 2^135190597 is an apocalyptic number.

It is an amenable number.

135190597 is a deficient number, since it is larger than the sum of its proper divisors (4502657).

135190597 is an equidigital number, since it uses as much as digits as its factorization.

135190597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140739 (or 140708 counting only the distinct ones).

The product of its (nonzero) digits is 42525, while the sum is 40.

The square root of 135190597 is about 11627.1491346761. The cubic root of 135190597 is about 513.2340899484.

The spelling of 135190597 in words is "one hundred thirty-five million, one hundred ninety thousand, five hundred ninety-seven".