136894544 has 20 divisors (see below), whose sum is σ = 279193440. Its totient is φ = 64844640.

The previous prime is 136894501. The next prime is 136894559. The reversal of 136894544 is 445498631.

It is a junction number, because it is equal to n+sod(n) for n = 136894495 and 136894504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224852 + ... + 225459.

It is an arithmetic number, because the mean of its divisors is an integer number (13959672).

Almost surely, 2^136894544 is an apocalyptic number.

It is an amenable number.

136894544 is an abundant number, since it is smaller than the sum of its proper divisors (142298896).

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

136894544 is a wasteful number, since it uses less digits than its factorization.

136894544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450338 (or 450332 counting only the distinct ones).

The product of its digits is 414720, while the sum is 44.

The square root of 136894544 is about 11700.1941864227. The cubic root of 136894544 is about 515.3813670637.

The spelling of 136894544 in words is "one hundred thirty-six million, eight hundred ninety-four thousand, five hundred forty-four".