138300510 has 16 divisors (see below), whose sum is σ = 331921296. Its totient is φ = 36880128.

The previous prime is 138300497. The next prime is 138300527. The reversal of 138300510 is 15003831.

It is a happy number.

138300510 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2304979 + ... + 2305038.

It is an arithmetic number, because the mean of its divisors is an integer number (20745081).

Almost surely, 2^138300510 is an apocalyptic number.

138300510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

138300510 is an abundant number, since it is smaller than the sum of its proper divisors (193620786).

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

138300510 is a wasteful number, since it uses less digits than its factorization.

138300510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4610027.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 138300510 is about 11760.1237238390. The cubic root of 138300510 is about 517.1397572204.

The spelling of 138300510 in words is "one hundred thirty-eight million, three hundred thousand, five hundred ten".