138117662 has 8 divisors (see below), whose sum is σ = 214320600. Its totient is φ = 66677464.

The previous prime is 138117557. The next prime is 138117667. The reversal of 138117662 is 266711831.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138117667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1190612 + ... + 1190727.

It is an arithmetic number, because the mean of its divisors is an integer number (26790075).

Almost surely, 2^138117662 is an apocalyptic number.

138117662 is a deficient number, since it is larger than the sum of its proper divisors (76202938).

138117662 is a wasteful number, since it uses less digits than its factorization.

138117662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2381370.

The product of its digits is 12096, while the sum is 35.

The square root of 138117662 is about 11752.3470847316. The cubic root of 138117662 is about 516.9117521010.

The spelling of 138117662 in words is "one hundred thirty-eight million, one hundred seventeen thousand, six hundred sixty-two".