138430414 has 4 divisors (see below), whose sum is σ = 207645624. Its totient is φ = 69215206.

The previous prime is 138430403. The next prime is 138430423. The reversal of 138430414 is 414034831.

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

It is a super-2 number, since 2×138430414² = 38325959040422792, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 34607602 + ... + 34607605.

It is an arithmetic number, because the mean of its divisors is an integer number (51911406).

Almost surely, 2^138430414 is an apocalyptic number.

138430414 is a deficient number, since it is larger than the sum of its proper divisors (69215210).

138430414 is an equidigital number, since it uses as much as digits as its factorization.

138430414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69215209.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 138430414 is about 11765.6454986541. The cubic root of 138430414 is about 517.3016209297.

The spelling of 138430414 in words is "one hundred thirty-eight million, four hundred thirty thousand, four hundred fourteen".