138794698 has 16 divisors (see below), whose sum is σ = 251930304. Its totient is φ = 55984320.

The previous prime is 138794693. The next prime is 138794707. The reversal of 138794698 is 896497831.

It is a super-2 number, since 2×138794698² = 38527936385822408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (138794693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 291348 + ... + 291823.

It is an arithmetic number, because the mean of its divisors is an integer number (15745644).

Almost surely, 2^138794698 is an apocalyptic number.

138794698 is a deficient number, since it is larger than the sum of its proper divisors (113135606).

138794698 is a wasteful number, since it uses less digits than its factorization.

138794698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583197.

The product of its digits is 2612736, while the sum is 55.

The square root of 138794698 is about 11781.1161610435. The cubic root of 138794698 is about 517.7549886545.

The spelling of 138794698 in words is "one hundred thirty-eight million, seven hundred ninety-four thousand, six hundred ninety-eight".