138852633 has 32 divisors (see below), whose sum is σ = 201636864. Its totient is φ = 84756672.

The previous prime is 138852619. The next prime is 138852671. The reversal of 138852633 is 336258831.

It is not a de Polignac number, because 138852633 - 2⁶ = 138852569 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 138852591 and 138852600.

It is not an unprimeable number, because it can be changed into a prime (138852683) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 156810 + ... + 157692.

It is an arithmetic number, because the mean of its divisors is an integer number (6301152).

Almost surely, 2^138852633 is an apocalyptic number.

It is an amenable number.

138852633 is a deficient number, since it is larger than the sum of its proper divisors (62784231).

138852633 is a wasteful number, since it uses less digits than its factorization.

138852633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005.

The product of its digits is 103680, while the sum is 39.

The square root of 138852633 is about 11783.5747122849. The cubic root of 138852633 is about 517.8270182134.

The spelling of 138852633 in words is "one hundred thirty-eight million, eight hundred fifty-two thousand, six hundred thirty-three".