136453944 has 32 divisors (see below), whose sum is σ = 372147840. Its totient is φ = 41349600.

The previous prime is 136453927. The next prime is 136453949. The reversal of 136453944 is 449354631.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136453949) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 258172 + ... + 258699.

It is an arithmetic number, because the mean of its divisors is an integer number (11629620).

Almost surely, 2^136453944 is an apocalyptic number.

It is an amenable number.

136453944 is an abundant number, since it is smaller than the sum of its proper divisors (235693896).

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

136453944 is a wasteful number, since it uses less digits than its factorization.

136453944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516891 (or 516887 counting only the distinct ones).

The product of its digits is 155520, while the sum is 39.

The square root of 136453944 is about 11681.3502644172. The cubic root of 136453944 is about 514.8278483265.

The spelling of 136453944 in words is "one hundred thirty-six million, four hundred fifty-three thousand, nine hundred forty-four".