138833654 has 16 divisors (see below), whose sum is σ = 210050928. Its totient is φ = 68819712.

The previous prime is 138833633. The next prime is 138833671. The reversal of 138833654 is 456338831.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141614 + ... + 142590.

It is an arithmetic number, because the mean of its divisors is an integer number (13128183).

Almost surely, 2^138833654 is an apocalyptic number.

138833654 is a deficient number, since it is larger than the sum of its proper divisors (71217274).

138833654 is a wasteful number, since it uses less digits than its factorization.

138833654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1519.

The product of its digits is 207360, while the sum is 41.

The square root of 138833654 is about 11782.7693688708. The cubic root of 138833654 is about 517.8034241661.

The spelling of 138833654 in words is "one hundred thirty-eight million, eight hundred thirty-three thousand, six hundred fifty-four".