63453138 has 24 divisors (see below), whose sum is σ = 147626352. Its totient is φ = 18129384.

The previous prime is 63453101. The next prime is 63453139. The reversal of 63453138 is 83135436.

It is a junction number, because it is equal to n+sod(n) for n = 63453099 and 63453108.

It is not an unprimeable number, because it can be changed into a prime (63453139) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 107620 + ... + 108207.

It is an arithmetic number, because the mean of its divisors is an integer number (6151098).

Almost surely, 2^63453138 is an apocalyptic number.

63453138 is an abundant number, since it is smaller than the sum of its proper divisors (84173214).

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

63453138 is a wasteful number, since it uses less digits than its factorization.

63453138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215846 (or 215839 counting only the distinct ones).

The product of its digits is 25920, while the sum is 33.

The square root of 63453138 is about 7965.7477991711. The cubic root of 63453138 is about 398.8574436867.

The spelling of 63453138 in words is "sixty-three million, four hundred fifty-three thousand, one hundred thirty-eight".