138037468 has 6 divisors (see below), whose sum is σ = 241565576. Its totient is φ = 69018732.

The previous prime is 138037457. The next prime is 138037469. The reversal of 138037468 is 864730831.

It is a self number, because there is not a number n which added to its sum of digits gives 138037468.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138037469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17254680 + ... + 17254687.

Almost surely, 2^138037468 is an apocalyptic number.

It is an amenable number.

138037468 is a deficient number, since it is larger than the sum of its proper divisors (103528108).

138037468 is a wasteful number, since it uses less digits than its factorization.

138037468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34509371 (or 34509369 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 138037468 is about 11748.9347602240. The cubic root of 138037468 is about 516.8116894783.

The spelling of 138037468 in words is "one hundred thirty-eight million, thirty-seven thousand, four hundred sixty-eight".