138081098 has 16 divisors (see below), whose sum is σ = 218868480. Its totient is φ = 65201136.

The previous prime is 138081023. The next prime is 138081103. The reversal of 138081098 is 890180831.

138081098 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 15365 + ... + 22632.

It is an arithmetic number, because the mean of its divisors is an integer number (13679280).

Almost surely, 2^138081098 is an apocalyptic number.

138081098 is a deficient number, since it is larger than the sum of its proper divisors (80787382).

138081098 is a wasteful number, since it uses less digits than its factorization.

138081098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38101.

The product of its (nonzero) digits is 13824, while the sum is 38.

The square root of 138081098 is about 11750.7913776052. The cubic root of 138081098 is about 516.8661339203.

The spelling of 138081098 in words is "one hundred thirty-eight million, eighty-one thousand, ninety-eight".