138804316 has 24 divisors (see below), whose sum is σ = 285113696. Its totient is φ = 57879360.

The previous prime is 138804313. The next prime is 138804319. The reversal of 138804316 is 613408831.

138804316 is digitally balanced in base 2, base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (138804313) and next prime (138804319).

138804316 is strictly pandigital in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138804313) 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, 65955 + ... + 68026.

Almost surely, 2^138804316 is an apocalyptic number.

It is an amenable number.

138804316 is an abundant number, since it is smaller than the sum of its proper divisors (146309380).

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

138804316 is a wasteful number, since it uses less digits than its factorization.

138804316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134029 (or 134027 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 138804316 is about 11781.5243495908. The cubic root of 138804316 is about 517.7669479309.

The spelling of 138804316 in words is "one hundred thirty-eight million, eight hundred four thousand, three hundred sixteen".