138552053 has 8 divisors (see below), whose sum is σ = 144672480. Its totient is φ = 132521200.

The previous prime is 138552049. The next prime is 138552077. The reversal of 138552053 is 350255831.

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

It is a cyclic number.

It is not a de Polignac number, because 138552053 - 2² = 138552049 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138552553) 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 7 ways as a sum of consecutive naturals, for example, 19223 + ... + 25428.

It is an arithmetic number, because the mean of its divisors is an integer number (18084060).

Almost surely, 2^138552053 is an apocalyptic number.

It is an amenable number.

138552053 is a deficient number, since it is larger than the sum of its proper divisors (6120427).

138552053 is a wasteful number, since it uses less digits than its factorization.

138552053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44787.

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 138552053 is about 11770.8136082431. The cubic root of 138552053 is about 517.4530944596.

The spelling of 138552053 in words is "one hundred thirty-eight million, five hundred fifty-two thousand, fifty-three".