135729398 has 16 divisors (see below), whose sum is σ = 233085600. Its totient is φ = 58068096.

The previous prime is 135729389. The next prime is 135729409. The reversal of 135729398 is 893927531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128 + ... + 16476.

It is an arithmetic number, because the mean of its divisors is an integer number (14567850).

Almost surely, 2^135729398 is an apocalyptic number.

135729398 is a deficient number, since it is larger than the sum of its proper divisors (97356202).

135729398 is a wasteful number, since it uses less digits than its factorization.

135729398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16951.

The product of its digits is 408240, while the sum is 47.

The square root of 135729398 is about 11650.2960477406. The cubic root of 135729398 is about 513.9150162050.

The spelling of 135729398 in words is "one hundred thirty-five million, seven hundred twenty-nine thousand, three hundred ninety-eight".