63140306 has 8 divisors (see below), whose sum is σ = 99695280. Its totient is φ = 29908548.

The previous prime is 63140303. The next prime is 63140309. The reversal of 63140306 is 60304136.

It is an interprime number because it is at equal distance from previous prime (63140303) and next prime (63140309).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (63140303) 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, 830756 + ... + 830831.

It is an arithmetic number, because the mean of its divisors is an integer number (12461910).

Almost surely, 2^63140306 is an apocalyptic number.

63140306 is a deficient number, since it is larger than the sum of its proper divisors (36554974).

63140306 is a wasteful number, since it uses less digits than its factorization.

63140306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1661608.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 63140306 is about 7946.0874649100. The cubic root of 63140306 is about 398.2008909822.

The spelling of 63140306 in words is "sixty-three million, one hundred forty thousand, three hundred six".