38138133767 has 8 divisors (see below), whose sum is σ = 39909059424. Its totient is φ = 36376603648.

The previous prime is 38138133751. The next prime is 38138133793. The reversal of 38138133767 is 76733183183.

38138133767 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 38138133767 - 2⁴ = 38138133751 is a prime.

It is a super-2 number, since 2×38138133767² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38138133967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2340578 + ... + 2356815.

It is an arithmetic number, because the mean of its divisors is an integer number (4988632428).

Almost surely, 2^38138133767 is an apocalyptic number.

38138133767 is a deficient number, since it is larger than the sum of its proper divisors (1770925657).

38138133767 is a wasteful number, since it uses less digits than its factorization.

38138133767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4697769.

The product of its digits is 1524096, while the sum is 50.

The spelling of 38138133767 in words is "thirty-eight billion, one hundred thirty-eight million, one hundred thirty-three thousand, seven hundred sixty-seven".