63157135 has 4 divisors (see below), whose sum is σ = 75788568. Its totient is φ = 50525704.

The previous prime is 63157111. The next prime is 63157139. The reversal of 63157135 is 53175136.

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

It is a cyclic number.

It is not a de Polignac number, because 63157135 - 2¹¹ = 63155087 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 63157097 and 63157106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63157139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6315709 + ... + 6315718.

It is an arithmetic number, because the mean of its divisors is an integer number (18947142).

Almost surely, 2^63157135 is an apocalyptic number.

63157135 is a deficient number, since it is larger than the sum of its proper divisors (12631433).

63157135 is a wasteful number, since it uses less digits than its factorization.

63157135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12631432.

The product of its digits is 9450, while the sum is 31.

The square root of 63157135 is about 7947.1463431851. The cubic root of 63157135 is about 398.2362657844.

The spelling of 63157135 in words is "sixty-three million, one hundred fifty-seven thousand, one hundred thirty-five".