138034369 has 4 divisors (see below), whose sum is σ = 150582960. Its totient is φ = 125485780.

The previous prime is 138034361. The next prime is 138034433. The reversal of 138034369 is 963430831.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 138034369 - 2³ = 138034361 is a prime.

It is a super-2 number, since 2×138034369² = 38106974050456322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (138034361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6274279 + ... + 6274300.

It is an arithmetic number, because the mean of its divisors is an integer number (37645740).

Almost surely, 2^138034369 is an apocalyptic number.

It is an amenable number.

138034369 is a deficient number, since it is larger than the sum of its proper divisors (12548591).

138034369 is a wasteful number, since it uses less digits than its factorization.

138034369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12548590.

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 138034369 is about 11748.8028751869. The cubic root of 138034369 is about 516.8078219018.

The spelling of 138034369 in words is "one hundred thirty-eight million, thirty-four thousand, three hundred sixty-nine".