138414698 has 4 divisors (see below), whose sum is σ = 207622050. Its totient is φ = 69207348.

The previous prime is 138414623. The next prime is 138414707. The reversal of 138414698 is 896414831.

138414698 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 71453209 + 66961489 = 8453^2 + 8183^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34603673 + ... + 34603676.

Almost surely, 2^138414698 is an apocalyptic number.

138414698 is a deficient number, since it is larger than the sum of its proper divisors (69207352).

138414698 is an equidigital number, since it uses as much as digits as its factorization.

138414698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69207351.

The product of its digits is 165888, while the sum is 44.

The square root of 138414698 is about 11764.9776030386. The cubic root of 138414698 is about 517.2820437773.

The spelling of 138414698 in words is "one hundred thirty-eight million, four hundred fourteen thousand, six hundred ninety-eight".