136244040 has 32 divisors (see below), whose sum is σ = 408732480. Its totient is φ = 36331712.

The previous prime is 136244033. The next prime is 136244077. The reversal of 136244040 is 40442631.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 136244040.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 567564 + ... + 567803.

It is an arithmetic number, because the mean of its divisors is an integer number (12772890).

Almost surely, 2^136244040 is an apocalyptic number.

136244040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136244040 is an abundant number, since it is smaller than the sum of its proper divisors (272488440).

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

136244040 is a wasteful number, since it uses less digits than its factorization.

136244040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1135381 (or 1135377 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 136244040 is about 11672.3622287864. The cubic root of 136244040 is about 514.5637301927.

Adding to 136244040 its reverse (40442631), we get a palindrome (176686671).

The spelling of 136244040 in words is "one hundred thirty-six million, two hundred forty-four thousand, forty".