138416286 has 8 divisors (see below), whose sum is σ = 276832584. Its totient is φ = 46138760.

The previous prime is 138416279. The next prime is 138416293. The reversal of 138416286 is 682614831.

It is an interprime number because it is at equal distance from previous prime (138416279) and next prime (138416293).

It is a sphenic number, since it is the product of 3 distinct primes.

138416286 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11534685 + ... + 11534696.

It is an arithmetic number, because the mean of its divisors is an integer number (34604073).

Almost surely, 2^138416286 is an apocalyptic number.

138416286 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

138416286 is a wasteful number, since it uses less digits than its factorization.

138416286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23069386.

The product of its digits is 55296, while the sum is 39.

The square root of 138416286 is about 11765.0450912863. The cubic root of 138416286 is about 517.2840219890.

The spelling of 138416286 in words is "one hundred thirty-eight million, four hundred sixteen thousand, two hundred eighty-six".