138545014 has 8 divisors (see below), whose sum is σ = 214521408. Its totient is φ = 67037880.

The previous prime is 138545009. The next prime is 138545023. The reversal of 138545014 is 410545831.

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

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1117237 + ... + 1117360.

It is an arithmetic number, because the mean of its divisors is an integer number (26815176).

Almost surely, 2^138545014 is an apocalyptic number.

138545014 is a deficient number, since it is larger than the sum of its proper divisors (75976394).

138545014 is a wasteful number, since it uses less digits than its factorization.

138545014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2234630.

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 138545014 is about 11770.5146021744. The cubic root of 138545014 is about 517.4443314137. Note that the first 3 decimals are identical.

The spelling of 138545014 in words is "one hundred thirty-eight million, five hundred forty-five thousand, fourteen".