136747320 has 64 divisors (see below), whose sum is σ = 434380320. Its totient is φ = 34320384.

The previous prime is 136747319. The next prime is 136747321. The reversal of 136747320 is 23747631.

It is an interprime number because it is at equal distance from previous prime (136747319) and next prime (136747321).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136747321) 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 in 15 ways as a sum of consecutive naturals, for example, 31477 + ... + 35556.

Almost surely, 2^136747320 is an apocalyptic number.

136747320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136747320 is an abundant number, since it is smaller than the sum of its proper divisors (297633000).

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

136747320 is a wasteful number, since it uses less digits than its factorization.

136747320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67064 (or 67060 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 33.

The square root of 136747320 is about 11693.9009744396. The cubic root of 136747320 is about 515.1965442042.

The spelling of 136747320 in words is "one hundred thirty-six million, seven hundred forty-seven thousand, three hundred twenty".