138437662 has 8 divisors (see below), whose sum is σ = 226534392. Its totient is φ = 62926200.

The previous prime is 138437633. The next prime is 138437707. The reversal of 138437662 is 266734831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3146289 + ... + 3146332.

It is an arithmetic number, because the mean of its divisors is an integer number (28316799).

Almost surely, 2^138437662 is an apocalyptic number.

138437662 is a deficient number, since it is larger than the sum of its proper divisors (88096730).

138437662 is a wasteful number, since it uses less digits than its factorization.

138437662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6292634.

The product of its digits is 145152, while the sum is 40.

The square root of 138437662 is about 11765.9535100220. The cubic root of 138437662 is about 517.3106491401.

The spelling of 138437662 in words is "one hundred thirty-eight million, four hundred thirty-seven thousand, six hundred sixty-two".