136434 has 8 divisors (see below), whose sum is σ = 272880. Its totient is φ = 45476.

The previous prime is 136429. The next prime is 136447. The reversal of 136434 is 434631.

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

136434 is an admirable number.

It is a super-2 number, since 2×136434² = 37228472712, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 136434.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 136434.

It is an unprimeable number.

136434 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11364 + ... + 11375.

It is an arithmetic number, because the mean of its divisors is an integer number (34110).

2¹³⁶⁴³⁴ is an apocalyptic number.

136434 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136434 is a wasteful number, since it uses less digits than its factorization.

136434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22744.

The product of its digits is 864, while the sum is 21.

The square root of 136434 is about 369.3697334650. The cubic root of 136434 is about 51.4802764828.

The spelling of 136434 in words is "one hundred thirty-six thousand, four hundred thirty-four".