138854896 has 20 divisors (see below), whose sum is σ = 269261784. Its totient is φ = 69368000.

The previous prime is 138854893. The next prime is 138854897. The reversal of 138854896 is 698458831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138854893) 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 3 ways as a sum of consecutive naturals, for example, 20226 + ... + 26206.

Almost surely, 2^138854896 is an apocalyptic number.

138854896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

138854896 is a deficient number, since it is larger than the sum of its proper divisors (130406888).

138854896 is a wasteful number, since it uses less digits than its factorization.

138854896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7440 (or 7434 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 52.

The square root of 138854896 is about 11783.6707353863. The cubic root of 138854896 is about 517.8298313546.

It can be divided in two parts, 13885 and 4896, that added together give a palindrome (18781).

The spelling of 138854896 in words is "one hundred thirty-eight million, eight hundred fifty-four thousand, eight hundred ninety-six".