136744394 has 8 divisors (see below), whose sum is σ = 205262688. Its totient is φ = 68323500.

The previous prime is 136744369. The next prime is 136744397. The reversal of 136744394 is 493447631.

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 (136744397) 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, 20732 + ... + 26519.

It is an arithmetic number, because the mean of its divisors is an integer number (25657836).

Almost surely, 2^136744394 is an apocalyptic number.

136744394 is a deficient number, since it is larger than the sum of its proper divisors (68518294).

136744394 is a wasteful number, since it uses less digits than its factorization.

136744394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48700.

The product of its digits is 217728, while the sum is 41.

The square root of 136744394 is about 11693.7758658185. The cubic root of 136744394 is about 515.1928696024.

The spelling of 136744394 in words is "one hundred thirty-six million, seven hundred forty-four thousand, three hundred ninety-four".