138496336 has 40 divisors (see below), whose sum is σ = 293445504. Its totient is φ = 62799360.

The previous prime is 138496327. The next prime is 138496343. The reversal of 138496336 is 633694831.

138496336 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 138496292 and 138496301.

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, 103705 + ... + 105031.

Almost surely, 2^138496336 is an apocalyptic number.

138496336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

138496336 is an abundant number, since it is smaller than the sum of its proper divisors (154949168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

138496336 is a wasteful number, since it uses less digits than its factorization.

138496336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1939 (or 1933 counting only the distinct ones).

The product of its digits is 279936, while the sum is 43.

The square root of 138496336 is about 11768.4466264669. The cubic root of 138496336 is about 517.3837226989.

The spelling of 138496336 in words is "one hundred thirty-eight million, four hundred ninety-six thousand, three hundred thirty-six".