138069519 has 8 divisors (see below), whose sum is σ = 210391680. Its totient is φ = 78896856.

The previous prime is 138069497. The next prime is 138069521. The reversal of 138069519 is 915960831.

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

It is not a de Polignac number, because 138069519 - 2⁵ = 138069487 is a prime.

It is a super-2 number, since 2×138069519² = 38126384153782722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138069539) 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, 3287349 + ... + 3287390.

It is an arithmetic number, because the mean of its divisors is an integer number (26298960).

Almost surely, 2^138069519 is an apocalyptic number.

138069519 is a deficient number, since it is larger than the sum of its proper divisors (72322161).

138069519 is an equidigital number, since it uses as much as digits as its factorization.

138069519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6574749.

The product of its (nonzero) digits is 58320, while the sum is 42.

The square root of 138069519 is about 11750.2986770550. The cubic root of 138069519 is about 516.8516859851.

The spelling of 138069519 in words is "one hundred thirty-eight million, sixty-nine thousand, five hundred nineteen".