138019037 has 16 divisors (see below), whose sum is σ = 154291200. Its totient is φ = 122601600.

The previous prime is 138019031. The next prime is 138019061. The reversal of 138019037 is 730910831.

It is a cyclic number.

It is not a de Polignac number, because 138019037 - 2⁶ = 138018973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 138018994 and 138019012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138019031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79337 + ... + 81057.

It is an arithmetic number, because the mean of its divisors is an integer number (9643200).

Almost surely, 2^138019037 is an apocalyptic number.

It is an amenable number.

138019037 is a deficient number, since it is larger than the sum of its proper divisors (16272163).

138019037 is a wasteful number, since it uses less digits than its factorization.

138019037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1964.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 138019037 is about 11748.1503650575. The cubic root of 138019037 is about 516.7886865928.

Adding to 138019037 its reverse (730910831), we get a palindrome (868929868).

The spelling of 138019037 in words is "one hundred thirty-eight million, nineteen thousand, thirty-seven".