100463138 has 4 divisors (see below), whose sum is σ = 150694710. Its totient is φ = 50231568.

The previous prime is 100463137. The next prime is 100463147. The reversal of 100463138 is 831364001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 831364001 = 13 ⋅63951077.

It can be written as a sum of positive squares in only one way, i.e., 96687889 + 3775249 = 9833^2 + 1943^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (100463131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25115783 + ... + 25115786.

Almost surely, 2^100463138 is an apocalyptic number.

100463138 is a deficient number, since it is larger than the sum of its proper divisors (50231572).

100463138 is an equidigital number, since it uses as much as digits as its factorization.

100463138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50231571.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 100463138 is about 10023.1301498085. The cubic root of 100463138 is about 464.8743453597.

The spelling of 100463138 in words is "one hundred million, four hundred sixty-three thousand, one hundred thirty-eight".