136245408 has 48 divisors (see below), whose sum is σ = 385158816. Its totient is φ = 41921280.

The previous prime is 136245367. The next prime is 136245427. The reversal of 136245408 is 804542631.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×136245408² = 37125622402172928, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53338 + ... + 55833.

It is an arithmetic number, because the mean of its divisors is an integer number (8024142).

Almost surely, 2^136245408 is an apocalyptic number.

It is an amenable number.

136245408 is an abundant number, since it is smaller than the sum of its proper divisors (248913408).

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

136245408 is a wasteful number, since it uses less digits than its factorization.

136245408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109197 (or 109189 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 136245408 is about 11672.4208286028. The cubic root of 136245408 is about 514.5654523985.

The spelling of 136245408 in words is "one hundred thirty-six million, two hundred forty-five thousand, four hundred eight".