39130138 has 4 divisors (see below), whose sum is σ = 58695210. Its totient is φ = 19565068.

The previous prime is 39130123. The next prime is 39130151. The reversal of 39130138 is 83103193.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83103193 = 3517 ⋅23629.

It can be written as a sum of positive squares in only one way, i.e., 30327049 + 8803089 = 5507^2 + 2967^2 .

It is a super-3 number, since 3×39130138³ (a number of 24 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9782533 + ... + 9782536.

Almost surely, 2^39130138 is an apocalyptic number.

39130138 is a deficient number, since it is larger than the sum of its proper divisors (19565072).

39130138 is a wasteful number, since it uses less digits than its factorization.

39130138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19565071.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 39130138 is about 6255.4086996774. The cubic root of 39130138 is about 339.4979267805.

The spelling of 39130138 in words is "thirty-nine million, one hundred thirty thousand, one hundred thirty-eight".