138314064 has 160 divisors (see below), whose sum is σ = 431718400. Its totient is φ = 38102400.

The previous prime is 138314041. The next prime is 138314107. The reversal of 138314064 is 460413831.

It is a congruent number.

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, 510249 + ... + 510519.

It is an arithmetic number, because the mean of its divisors is an integer number (2698240).

Almost surely, 2^138314064 is an apocalyptic number.

138314064 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 138314064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215859200).

138314064 is an abundant number, since it is smaller than the sum of its proper divisors (293404336).

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

138314064 is a wasteful number, since it uses less digits than its factorization.

138314064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334 (or 314 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 138314064 is about 11760.6999791679. The cubic root of 138314064 is about 517.1566505861.

Adding to 138314064 its reverse (460413831), we get a palindrome (598727895).

The spelling of 138314064 in words is "one hundred thirty-eight million, three hundred fourteen thousand, sixty-four".