135924394 has 8 divisors (see below), whose sum is σ = 206679780. Its totient is φ = 67031136.

The previous prime is 135924391. The next prime is 135924407. The reversal of 135924394 is 493429531.

It can be written as a sum of positive squares in 2 ways, for example, as 123498769 + 12425625 = 11113^2 + 3525^2 .

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

It is not an unprimeable number, because it can be changed into a prime (135924391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 465349 + ... + 465640.

Almost surely, 2^135924394 is an apocalyptic number.

135924394 is a deficient number, since it is larger than the sum of its proper divisors (70755386).

135924394 is an equidigital number, since it uses as much as digits as its factorization.

135924394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931064.

The product of its digits is 116640, while the sum is 40.

The square root of 135924394 is about 11658.6617585382. The cubic root of 135924394 is about 514.1610042337.

The spelling of 135924394 in words is "one hundred thirty-five million, nine hundred twenty-four thousand, three hundred ninety-four".