136005398 has 8 divisors (see below), whose sum is σ = 205359600. Its totient is φ = 67552200.

The previous prime is 136005383. The next prime is 136005409. The reversal of 136005398 is 893500631.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224873 + ... + 225476.

It is an arithmetic number, because the mean of its divisors is an integer number (25669950).

Almost surely, 2^136005398 is an apocalyptic number.

136005398 is a deficient number, since it is larger than the sum of its proper divisors (69354202).

136005398 is a wasteful number, since it uses less digits than its factorization.

136005398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450502.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 136005398 is about 11662.1352247348. The cubic root of 136005398 is about 514.2631218544.

The spelling of 136005398 in words is "one hundred thirty-six million, five thousand, three hundred ninety-eight".