38148138037 has 4 divisors (see below), whose sum is σ = 38525842476. Its totient is φ = 37770433600.

The previous prime is 38148138029. The next prime is 38148138053. The reversal of 38148138037 is 73083184183.

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

It can be written as a sum of positive squares in 2 ways, for example, as 23287065201 + 14861072836 = 152601^2 + 121906^2 .

It is a cyclic number.

It is not a de Polignac number, because 38148138037 - 2³ = 38148138029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38148138097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188852068 + ... + 188852269.

It is an arithmetic number, because the mean of its divisors is an integer number (9631460619).

Almost surely, 2^38148138037 is an apocalyptic number.

It is an amenable number.

38148138037 is a deficient number, since it is larger than the sum of its proper divisors (377704439).

38148138037 is a wasteful number, since it uses less digits than its factorization.

38148138037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377704438.

The product of its (nonzero) digits is 387072, while the sum is 46.

The spelling of 38148138037 in words is "thirty-eight billion, one hundred forty-eight million, one hundred thirty-eight thousand, thirty-seven".