63140336 has 80 divisors (see below), whose sum is σ = 147800064. Its totient is φ = 25546752.

The previous prime is 63140309. The next prime is 63140351. The reversal of 63140336 is 63304136.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 327056 + ... + 327248.

Almost surely, 2^63140336 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63140336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73900032).

63140336 is an abundant number, since it is smaller than the sum of its proper divisors (84659728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63140336 is a wasteful number, since it uses less digits than its factorization.

63140336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358 (or 352 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 26.

The square root of 63140336 is about 7946.0893526313. The cubic root of 63140336 is about 398.2009540482.

The spelling of 63140336 in words is "sixty-three million, one hundred forty thousand, three hundred thirty-six".