138182619 has 8 divisors (see below), whose sum is σ = 185070592. Its totient is φ = 91708200.

The previous prime is 138182591. The next prime is 138182641. The reversal of 138182619 is 916281831.

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

It is not a de Polignac number, because 138182619 - 2²⁰ = 137134043 is a prime.

It is a super-2 number, since 2×138182619² = 38188872387398322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (138182119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102607 + ... + 103944.

It is an arithmetic number, because the mean of its divisors is an integer number (23133824).

Almost surely, 2^138182619 is an apocalyptic number.

138182619 is a deficient number, since it is larger than the sum of its proper divisors (46887973).

138182619 is a wasteful number, since it uses less digits than its factorization.

138182619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206777.

The product of its digits is 20736, while the sum is 39.

The square root of 138182619 is about 11755.1103355094. The cubic root of 138182619 is about 516.9927742618.

The spelling of 138182619 in words is "one hundred thirty-eight million, one hundred eighty-two thousand, six hundred nineteen".