63011138 has 4 divisors (see below), whose sum is σ = 94516710. Its totient is φ = 31505568.

The previous prime is 63011107. The next prime is 63011149. The reversal of 63011138 is 83111036.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 32684089 + 30327049 = 5717^2 + 5507^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15752783 + ... + 15752786.

Almost surely, 2^63011138 is an apocalyptic number.

63011138 is a deficient number, since it is larger than the sum of its proper divisors (31505572).

63011138 is a wasteful number, since it uses less digits than its factorization.

63011138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31505571.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 63011138 is about 7937.9555302357. The cubic root of 63011138 is about 397.9291684762.

The spelling of 63011138 in words is "sixty-three million, eleven thousand, one hundred thirty-eight".