136272440 has 16 divisors (see below), whose sum is σ = 306613080. Its totient is φ = 54508960.

The previous prime is 136272419. The next prime is 136272449. The reversal of 136272440 is 44272631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136272449) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1703366 + ... + 1703445.

Almost surely, 2^136272440 is an apocalyptic number.

136272440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136272440 is an abundant number, since it is smaller than the sum of its proper divisors (170340640).

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

136272440 is a wasteful number, since it uses less digits than its factorization.

136272440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3406822 (or 3406818 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 136272440 is about 11673.5787143446. The cubic root of 136272440 is about 514.5994812236.

The spelling of 136272440 in words is "one hundred thirty-six million, two hundred seventy-two thousand, four hundred forty".