63135157 has 4 divisors (see below), whose sum is σ = 66458080. Its totient is φ = 59812236.

The previous prime is 63135113. The next prime is 63135173. The reversal of 63135157 is 75153136.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 63135157 - 2¹⁹ = 62610869 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 (63135187) 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, 1661433 + ... + 1661470.

It is an arithmetic number, because the mean of its divisors is an integer number (16614520).

Almost surely, 2^63135157 is an apocalyptic number.

It is an amenable number.

63135157 is a deficient number, since it is larger than the sum of its proper divisors (3322923).

63135157 is a wasteful number, since it uses less digits than its factorization.

63135157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3322922.

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

The square root of 63135157 is about 7945.7634623741. The cubic root of 63135157 is about 398.1900664537.

The spelling of 63135157 in words is "sixty-three million, one hundred thirty-five thousand, one hundred fifty-seven".