138094965 has 12 divisors (see below), whose sum is σ = 239364684. Its totient is φ = 73650624.

The previous prime is 138094951. The next prime is 138094997. The reversal of 138094965 is 569490831.

It is a happy number.

138094965 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 15350724 + 122744241 = 3918^2 + 11079^2 .

It is not a de Polignac number, because 138094965 - 2⁵ = 138094933 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 3068777 = 138094965 / (1 + 3 + 8 + 0 + 9 + 4 + 9 + 6 + 5).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 138094965.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1534344 + ... + 1534433.

It is an arithmetic number, because the mean of its divisors is an integer number (19947057).

Almost surely, 2^138094965 is an apocalyptic number.

138094965 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

138094965 is a deficient number, since it is larger than the sum of its proper divisors (101269719).

138094965 is a wasteful number, since it uses less digits than its factorization.

138094965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3068788 (or 3068785 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 138094965 is about 11751.3814081579. The cubic root of 138094965 is about 516.8834356917.

The spelling of 138094965 in words is "one hundred thirty-eight million, ninety-four thousand, nine hundred sixty-five".