136245440 has 56 divisors (see below), whose sum is σ = 325447152. Its totient is φ = 54328320.

The previous prime is 136245427. The next prime is 136245449. The reversal of 136245440 is 44542631.

It is not an unprimeable number, because it can be changed into a prime (136245449) by changing a digit.

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, 172727 + ... + 173513.

Almost surely, 2^136245440 is an apocalyptic number.

136245440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136245440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162723576).

136245440 is an abundant number, since it is smaller than the sum of its proper divisors (189201712).

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

136245440 is an equidigital number, since it uses as much as digits as its factorization.

136245440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1345 (or 1335 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 136245440 is about 11672.4221993552. The cubic root of 136245440 is about 514.5654926839.

The spelling of 136245440 in words is "one hundred thirty-six million, two hundred forty-five thousand, four hundred forty".