138499096 has 8 divisors (see below), whose sum is σ = 259685820. Its totient is φ = 69249544.

The previous prime is 138499093. The next prime is 138499111. The reversal of 138499096 is 690994831.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138499093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8656186 + ... + 8656201.

Almost surely, 2^138499096 is an apocalyptic number.

It is an amenable number.

138499096 is a deficient number, since it is larger than the sum of its proper divisors (121186724).

138499096 is a wasteful number, since it uses less digits than its factorization.

138499096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17312393 (or 17312389 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 49.

The square root of 138499096 is about 11768.5638885975. The cubic root of 138499096 is about 517.3871595398.

The spelling of 138499096 in words is "one hundred thirty-eight million, four hundred ninety-nine thousand, ninety-six".