63900135 has 48 divisors (see below), whose sum is σ = 125580000. Its totient is φ = 29797632.

The previous prime is 63900121. The next prime is 63900167. The reversal of 63900135 is 53100936.

It is not a de Polignac number, because 63900135 - 2⁷ = 63900007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 63900099 and 63900108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8241 + ... + 13989.

It is an arithmetic number, because the mean of its divisors is an integer number (2616250).

Almost surely, 2^63900135 is an apocalyptic number.

63900135 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

63900135 is a deficient number, since it is larger than the sum of its proper divisors (61679865).

63900135 is a wasteful number, since it uses less digits than its factorization.

63900135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5792 (or 5789 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 27.

The square root of 63900135 is about 7993.7560007796. The cubic root of 63900135 is about 399.7918396086.

The spelling of 63900135 in words is "sixty-three million, nine hundred thousand, one hundred thirty-five".