63229139 has 4 divisors (see below), whose sum is σ = 65978256. Its totient is φ = 60480024.

The previous prime is 63229129. The next prime is 63229141. The reversal of 63229139 is 93192236.

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 63229139 - 2⁸ = 63228883 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 63229099 and 63229108.

It is not an unprimeable number, because it can be changed into a prime (63229129) 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, 1374524 + ... + 1374569.

It is an arithmetic number, because the mean of its divisors is an integer number (16494564).

Almost surely, 2^63229139 is an apocalyptic number.

63229139 is a deficient number, since it is larger than the sum of its proper divisors (2749117).

63229139 is a wasteful number, since it uses less digits than its factorization.

63229139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2749116.

The product of its digits is 17496, while the sum is 35.

The square root of 63229139 is about 7951.6752323017. The cubic root of 63229139 is about 398.3875483164.

The spelling of 63229139 in words is "sixty-three million, two hundred twenty-nine thousand, one hundred thirty-nine".