138547116 has 18 divisors (see below), whose sum is σ = 350216412. Its totient is φ = 46182360.

The previous prime is 138547111. The next prime is 138547121. The reversal of 138547116 is 611745831.

It is an interprime number because it is at equal distance from previous prime (138547111) and next prime (138547121).

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 3848531 = 138547116 / (1 + 3 + 8 + 5 + 4 + 7 + 1 + 1 + 6).

It is not an unprimeable number, because it can be changed into a prime (138547111) 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 5 ways as a sum of consecutive naturals, for example, 1924230 + ... + 1924301.

Almost surely, 2^138547116 is an apocalyptic number.

It is an amenable number.

138547116 is an abundant number, since it is smaller than the sum of its proper divisors (211669296).

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

138547116 is a wasteful number, since it uses less digits than its factorization.

138547116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3848541 (or 3848536 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 138547116 is about 11770.6038927491. The cubic root of 138547116 is about 517.4469482828.

The spelling of 138547116 in words is "one hundred thirty-eight million, five hundred forty-seven thousand, one hundred sixteen".