135648737 has 8 divisors (see below), whose sum is σ = 155376000. Its totient is φ = 116008704.

The previous prime is 135648719. The next prime is 135648817. The reversal of 135648737 is 737846531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 135648737 - 2¹⁸ = 135386593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135648707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18437 + ... + 24722.

It is an arithmetic number, because the mean of its divisors is an integer number (19422000).

Almost surely, 2^135648737 is an apocalyptic number.

It is an amenable number.

135648737 is a deficient number, since it is larger than the sum of its proper divisors (19727263).

135648737 is an equidigital number, since it uses as much as digits as its factorization.

135648737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43615.

The product of its digits is 423360, while the sum is 44.

The square root of 135648737 is about 11646.8337757521. The cubic root of 135648737 is about 513.8131932299.

The spelling of 135648737 in words is "one hundred thirty-five million, six hundred forty-eight thousand, seven hundred thirty-seven".