136433408 has 36 divisors (see below), whose sum is σ = 275657928. Its totient is φ = 67384320.

The previous prime is 136433369. The next prime is 136433413. The reversal of 136433408 is 804334631.

It is a super-2 number, since 2×136433408² = 37228149636988928, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

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, 18038 + ... + 24458.

Almost surely, 2^136433408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136433408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137828964).

136433408 is an abundant number, since it is smaller than the sum of its proper divisors (139224520).

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

136433408 is an frugal number, since it uses more digits than its factorization.

136433408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6520 (or 6506 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 136433408 is about 11680.4712233711. The cubic root of 136433408 is about 514.8020202343.

The spelling of 136433408 in words is "one hundred thirty-six million, four hundred thirty-three thousand, four hundred eight".