138463010 has 64 divisors (see below), whose sum is σ = 294319872. Its totient is φ = 45916416.

The previous prime is 138463001. The next prime is 138463033. The reversal of 138463010 is 10364831.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 472424 + ... + 472716.

It is an arithmetic number, because the mean of its divisors is an integer number (4598748).

Almost surely, 2^138463010 is an apocalyptic number.

138463010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

138463010 is an abundant number, since it is smaller than the sum of its proper divisors (155856862).

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

138463010 is a wasteful number, since it uses less digits than its factorization.

138463010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507.

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

The square root of 138463010 is about 11767.0306364860. The cubic root of 138463010 is about 517.3422204864.

The spelling of 138463010 in words is "one hundred thirty-eight million, four hundred sixty-three thousand, ten".