138714896 has 40 divisors (see below), whose sum is σ = 284505600. Its totient is φ = 65335680.

The previous prime is 138714893. The next prime is 138714913. The reversal of 138714896 is 698417831.

It is a self number, because there is not a number n which added to its sum of digits gives 138714896.

It is not an unprimeable number, because it can be changed into a prime (138714893) 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, 56870 + ... + 59258.

It is an arithmetic number, because the mean of its divisors is an integer number (7112640).

Almost surely, 2^138714896 is an apocalyptic number.

138714896 is a gapful number since it is divisible by the number (16) 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 138714896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142252800).

138714896 is an abundant number, since it is smaller than the sum of its proper divisors (145790704).

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

138714896 is a wasteful number, since it uses less digits than its factorization.

138714896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2607 (or 2601 counting only the distinct ones).

The product of its digits is 290304, while the sum is 47.

The square root of 138714896 is about 11777.7288133154. The cubic root of 138714896 is about 517.6557394145.

The spelling of 138714896 in words is "one hundred thirty-eight million, seven hundred fourteen thousand, eight hundred ninety-six".