138410694 has 20 divisors (see below), whose sum is σ = 310142844. Its totient is φ = 46136844.

The previous prime is 138410693. The next prime is 138410731. The reversal of 138410694 is 496014831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138410693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 427032 + ... + 427355.

Almost surely, 2^138410694 is an apocalyptic number.

138410694 is an abundant number, since it is smaller than the sum of its proper divisors (171732150).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

138410694 is an equidigital number, since it uses as much as digits as its factorization.

138410694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854401 (or 854392 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 138410694 is about 11764.8074357382. The cubic root of 138410694 is about 517.2770558261.

The spelling of 138410694 in words is "one hundred thirty-eight million, four hundred ten thousand, six hundred ninety-four".