136000440 has 48 divisors (see below), whose sum is σ = 442002600. Its totient is φ = 36266688.

The previous prime is 136000433. The next prime is 136000453. The reversal of 136000440 is 44000631.

It is a super-2 number, since 2×136000440² = 36992239360387200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 188530 + ... + 189249.

Almost surely, 2^136000440 is an apocalyptic number.

136000440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136000440 is an abundant number, since it is smaller than the sum of its proper divisors (306002160).

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

136000440 is a wasteful number, since it uses less digits than its factorization.

136000440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377796 (or 377789 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 136000440 is about 11661.9226545197. The cubic root of 136000440 is about 514.2568727212.

The spelling of 136000440 in words is "one hundred thirty-six million, four hundred forty", and thus it is an aban number.