135628751 has 8 divisors (see below), whose sum is σ = 143261184. Its totient is φ = 128199960.

The previous prime is 135628741. The next prime is 135628763. The reversal of 135628751 is 157826531.

135628751 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 135628751 - 2¹⁸ = 135366607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135628721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49541 + ... + 52206.

It is an arithmetic number, because the mean of its divisors is an integer number (17907648).

Almost surely, 2^135628751 is an apocalyptic number.

135628751 is a deficient number, since it is larger than the sum of its proper divisors (7632433).

135628751 is a wasteful number, since it uses less digits than its factorization.

135628751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101821.

The product of its digits is 50400, while the sum is 38.

The square root of 135628751 is about 11645.9757427190. The cubic root of 135628751 is about 513.7879575241.

The spelling of 135628751 in words is "one hundred thirty-five million, six hundred twenty-eight thousand, seven hundred fifty-one".