138035294 has 4 divisors (see below), whose sum is σ = 207052944. Its totient is φ = 69017646.

The previous prime is 138035221. The next prime is 138035297. The reversal of 138035294 is 492530831.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138035297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34508822 + ... + 34508825.

It is an arithmetic number, because the mean of its divisors is an integer number (51763236).

Almost surely, 2^138035294 is an apocalyptic number.

138035294 is a deficient number, since it is larger than the sum of its proper divisors (69017650).

138035294 is an equidigital number, since it uses as much as digits as its factorization.

138035294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69017649.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 138035294 is about 11748.8422408338. The cubic root of 138035294 is about 516.8089763152.

The spelling of 138035294 in words is "one hundred thirty-eight million, thirty-five thousand, two hundred ninety-four".