138460814 has 8 divisors (see below), whose sum is σ = 208011240. Its totient is φ = 69123736.

The previous prime is 138460811. The next prime is 138460841. The reversal of 138460814 is 418064831.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138460811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51704 + ... + 54315.

It is an arithmetic number, because the mean of its divisors is an integer number (26001405).

Almost surely, 2^138460814 is an apocalyptic number.

138460814 is a deficient number, since it is larger than the sum of its proper divisors (69550426).

138460814 is a wasteful number, since it uses less digits than its factorization.

138460814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106674.

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 138460814 is about 11766.9373245548. The cubic root of 138460814 is about 517.3394854851.

The spelling of 138460814 in words is "one hundred thirty-eight million, four hundred sixty thousand, eight hundred fourteen".