136751644 has 6 divisors (see below), whose sum is σ = 239315384. Its totient is φ = 68375820.

The previous prime is 136751627. The next prime is 136751647. The reversal of 136751644 is 446157631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136751647) 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 as a sum of consecutive naturals, namely, 17093952 + ... + 17093959.

Almost surely, 2^136751644 is an apocalyptic number.

It is an amenable number.

136751644 is a deficient number, since it is larger than the sum of its proper divisors (102563740).

136751644 is a wasteful number, since it uses less digits than its factorization.

136751644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34187915 (or 34187913 counting only the distinct ones).

The product of its digits is 60480, while the sum is 37.

The square root of 136751644 is about 11694.0858556794. The cubic root of 136751644 is about 515.2019743810.

The spelling of 136751644 in words is "one hundred thirty-six million, seven hundred fifty-one thousand, six hundred forty-four".