135041594 has 4 divisors (see below), whose sum is σ = 202562394. Its totient is φ = 67520796.

The previous prime is 135041593. The next prime is 135041609. The reversal of 135041594 is 495140531.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 127396369 + 7645225 = 11287^2 + 2765^2 .

It is a super-2 number, since 2×135041594² = 36472464220121672, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 135041594.

It is not an unprimeable number, because it can be changed into a prime (135041593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33760397 + ... + 33760400.

Almost surely, 2^135041594 is an apocalyptic number.

135041594 is a deficient number, since it is larger than the sum of its proper divisors (67520800).

135041594 is an equidigital number, since it uses as much as digits as its factorization.

135041594 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67520799.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 135041594 is about 11620.7398215432. The cubic root of 135041594 is about 513.0454635854.

The spelling of 135041594 in words is "one hundred thirty-five million, forty-one thousand, five hundred ninety-four".