138798035 has 8 divisors (see below), whose sum is σ = 166654800. Its totient is φ = 110973664.

The previous prime is 138798019. The next prime is 138798041. The reversal of 138798035 is 530897831.

It is a happy number.

138798035 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 138798035 - 2⁴ = 138798019 is a prime.

It is a super-2 number, since 2×138798035² = 38529789039722450, which contains 22 as substring.

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, 2624 + ... + 16866.

It is an arithmetic number, because the mean of its divisors is an integer number (20831850).

Almost surely, 2^138798035 is an apocalyptic number.

138798035 is a deficient number, since it is larger than the sum of its proper divisors (27856765).

138798035 is a wasteful number, since it uses less digits than its factorization.

138798035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16197.

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 138798035 is about 11781.2577851433. The cubic root of 138798035 is about 517.7591380315.

The spelling of 138798035 in words is "one hundred thirty-eight million, seven hundred ninety-eight thousand, thirty-five".