136347744 has 48 divisors (see below), whose sum is σ = 385448112. Its totient is φ = 41952768.

The previous prime is 136347737. The next prime is 136347767. The reversal of 136347744 is 447743631.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53379 + ... + 55874.

It is an arithmetic number, because the mean of its divisors is an integer number (8030169).

Almost surely, 2^136347744 is an apocalyptic number.

It is an amenable number.

136347744 is an abundant number, since it is smaller than the sum of its proper divisors (249100368).

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

136347744 is a wasteful number, since it uses less digits than its factorization.

136347744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109279 (or 109271 counting only the distinct ones).

The product of its digits is 169344, while the sum is 39.

The square root of 136347744 is about 11676.8036722384. The cubic root of 136347744 is about 514.6942528041.

The spelling of 136347744 in words is "one hundred thirty-six million, three hundred forty-seven thousand, seven hundred forty-four".