138614476 has 72 divisors (see below), whose sum is σ = 327608064. Its totient is φ = 49832640.

The previous prime is 138614471. The next prime is 138614513. The reversal of 138614476 is 674416831.

It is not an unprimeable number, because it can be changed into a prime (138614471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50721 + ... + 53383.

It is an arithmetic number, because the mean of its divisors is an integer number (4550112).

Almost surely, 2^138614476 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 138614476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163804032).

138614476 is an abundant number, since it is smaller than the sum of its proper divisors (188993588).

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

138614476 is a wasteful number, since it uses less digits than its factorization.

138614476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2711 (or 2696 counting only the distinct ones).

The product of its digits is 96768, while the sum is 40.

The square root of 138614476 is about 11773.4649105520. The cubic root of 138614476 is about 517.5307935965.

The spelling of 138614476 in words is "one hundred thirty-eight million, six hundred fourteen thousand, four hundred seventy-six".