138089295 has 12 divisors (see below), whose sum is σ = 239354856. Its totient is φ = 73647600.

The previous prime is 138089293. The next prime is 138089333. The reversal of 138089295 is 592980831.

It is a happy number.

138089295 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 138089295 - 2¹ = 138089293 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: 3068651 = 138089295 / (1 + 3 + 8 + 0 + 8 + 9 + 2 + 9 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 138089295.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138089293) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1534281 + ... + 1534370.

It is an arithmetic number, because the mean of its divisors is an integer number (19946238).

Almost surely, 2^138089295 is an apocalyptic number.

138089295 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

138089295 is a deficient number, since it is larger than the sum of its proper divisors (101265561).

138089295 is a wasteful number, since it uses less digits than its factorization.

138089295 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3068662 (or 3068659 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The square root of 138089295 is about 11751.1401574486. The cubic root of 138089295 is about 516.8763614072.

It can be divided in two parts, 138089 and 295, that added together give a square (138384 = 372²).

The spelling of 138089295 in words is "one hundred thirty-eight million, eighty-nine thousand, two hundred ninety-five".