136451040 has 192 divisors, whose sum is σ = 480598272. Its totient is φ = 32256000.

The previous prime is 136451039. The next prime is 136451047. The reversal of 136451040 is 40154631.

136451040 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 136451040.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136451047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 226740 + ... + 227340.

It is an arithmetic number, because the mean of its divisors is an integer number (2503116).

Almost surely, 2^136451040 is an apocalyptic number.

136451040 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 136451040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (240299136).

136451040 is an abundant number, since it is smaller than the sum of its proper divisors (344147232).

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

136451040 is a wasteful number, since it uses less digits than its factorization.

136451040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673 (or 665 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 136451040 is about 11681.2259630571. The cubic root of 136451040 is about 514.8241961280.

The spelling of 136451040 in words is "one hundred thirty-six million, four hundred fifty-one thousand, forty".