138461010 has 16 divisors (see below), whose sum is σ = 332306496. Its totient is φ = 36922928.

The previous prime is 138461003. The next prime is 138461017. The reversal of 138461010 is 10164831.

It is an interprime number because it is at equal distance from previous prime (138461003) and next prime (138461017).

It is not an unprimeable number, because it can be changed into a prime (138461017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2307654 + ... + 2307713.

It is an arithmetic number, because the mean of its divisors is an integer number (20769156).

Almost surely, 2^138461010 is an apocalyptic number.

138461010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

138461010 is an abundant number, since it is smaller than the sum of its proper divisors (193845486).

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

138461010 is a wasteful number, since it uses less digits than its factorization.

138461010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4615377.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 138461010 is about 11766.9456529721. The cubic root of 138461010 is about 517.3397295939.

The spelling of 138461010 in words is "one hundred thirty-eight million, four hundred sixty-one thousand, ten".