138310704 has 120 divisors (see below), whose sum is σ = 452804352. Its totient is φ = 38586240.

The previous prime is 138310703. The next prime is 138310721. The reversal of 138310704 is 407013831.

It is not an unprimeable number, because it can be changed into a prime (138310703) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41749 + ... + 44939.

Almost surely, 2^138310704 is an apocalyptic number.

138310704 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 138310704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226402176).

138310704 is an abundant number, since it is smaller than the sum of its proper divisors (314493648).

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

138310704 is a wasteful number, since it uses less digits than its factorization.

138310704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3255 (or 3246 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 138310704 is about 11760.5571296601. The cubic root of 138310704 is about 517.1524628692.

The spelling of 138310704 in words is "one hundred thirty-eight million, three hundred ten thousand, seven hundred four".