138753147 has 8 divisors (see below), whose sum is σ = 199235344. Its totient is φ = 85386528.

The previous prime is 138753113. The next prime is 138753187. The reversal of 138753147 is 741357831.

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

It is not a de Polignac number, because 138753147 - 2¹¹ = 138751099 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 3557773 = 138753147 / (1 + 3 + 8 + 7 + 5 + 3 + 1 + 4 + 7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (138753187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1778848 + ... + 1778925.

It is an arithmetic number, because the mean of its divisors is an integer number (24904418).

Almost surely, 2^138753147 is an apocalyptic number.

138753147 is a deficient number, since it is larger than the sum of its proper divisors (60482197).

138753147 is a wasteful number, since it uses less digits than its factorization.

138753147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3557789.

The product of its digits is 70560, while the sum is 39.

The square root of 138753147 is about 11779.3525713428. The cubic root of 138753147 is about 517.7033166887.

The spelling of 138753147 in words is "one hundred thirty-eight million, seven hundred fifty-three thousand, one hundred forty-seven".