136747984 has 10 divisors (see below), whose sum is σ = 264949250. Its totient is φ = 68373984.

The previous prime is 136747969. The next prime is 136747987. The reversal of 136747984 is 489747631.

It can be written as a sum of positive squares in only one way, i.e., 135210384 + 1537600 = 11628^2 + 1240^2 .

It is a super-2 number, since 2×136747984² = 37400022256128512, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136747987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4273359 + ... + 4273390.

It is an arithmetic number, because the mean of its divisors is an integer number (26494925).

Almost surely, 2^136747984 is an apocalyptic number.

It is an amenable number.

136747984 is a deficient number, since it is larger than the sum of its proper divisors (128201266).

136747984 is an equidigital number, since it uses as much as digits as its factorization.

136747984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8546757 (or 8546751 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 49.

The square root of 136747984 is about 11693.9293652732. The cubic root of 136747984 is about 515.1973780778.

It can be divided in two parts, 136747 and 984, that added together give a palindrome (137731).

The spelling of 136747984 in words is "one hundred thirty-six million, seven hundred forty-seven thousand, nine hundred eighty-four".