135448747 has 4 divisors (see below), whose sum is σ = 154798576. Its totient is φ = 116098920.

The previous prime is 135448727. The next prime is 135448757. The reversal of 135448747 is 747844531.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 135448747 - 2⁷ = 135448619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135448727) 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 3 ways as a sum of consecutive naturals, for example, 9674904 + ... + 9674917.

It is an arithmetic number, because the mean of its divisors is an integer number (38699644).

Almost surely, 2^135448747 is an apocalyptic number.

135448747 is a deficient number, since it is larger than the sum of its proper divisors (19349829).

135448747 is an equidigital number, since it uses as much as digits as its factorization.

135448747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19349828.

The product of its digits is 376320, while the sum is 43.

The square root of 135448747 is about 11638.2450137467. The cubic root of 135448747 is about 513.5605602323.

The spelling of 135448747 in words is "one hundred thirty-five million, four hundred forty-eight thousand, seven hundred forty-seven".