136568944 has 10 divisors (see below), whose sum is σ = 264602360. Its totient is φ = 68284464.

The previous prime is 136568891. The next prime is 136568951. The reversal of 136568944 is 449865631.

It is a junction number, because it is equal to n+sod(n) for n = 136568894 and 136568903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4267764 + ... + 4267795.

It is an arithmetic number, because the mean of its divisors is an integer number (26460236).

Almost surely, 2^136568944 is an apocalyptic number.

It is an amenable number.

136568944 is a deficient number, since it is larger than the sum of its proper divisors (128033416).

136568944 is an equidigital number, since it uses as much as digits as its factorization.

136568944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8535567 (or 8535561 counting only the distinct ones).

The product of its digits is 622080, while the sum is 46.

The square root of 136568944 is about 11686.2716038949. The cubic root of 136568944 is about 514.9724357635.

The spelling of 136568944 in words is "one hundred thirty-six million, five hundred sixty-eight thousand, nine hundred forty-four".