136284440 has 16 divisors (see below), whose sum is σ = 306640080. Its totient is φ = 54513760.

The previous prime is 136284439. The next prime is 136284469. The reversal of 136284440 is 44482631.

It is a super-2 number, since 2×136284440² = 37146897172227200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 136284397 and 136284406.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1703516 + ... + 1703595.

It is an arithmetic number, because the mean of its divisors is an integer number (19165005).

Almost surely, 2^136284440 is an apocalyptic number.

136284440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136284440 is an abundant number, since it is smaller than the sum of its proper divisors (170355640).

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

136284440 is a wasteful number, since it uses less digits than its factorization.

136284440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3407122 (or 3407118 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 136284440 is about 11674.0926842303. The cubic root of 136284440 is about 514.6145858002.

The spelling of 136284440 in words is "one hundred thirty-six million, two hundred eighty-four thousand, four hundred forty".