39139000 has 32 divisors (see below), whose sum is σ = 91587600. Its totient is φ = 15655200.

The previous prime is 39138997. The next prime is 39139021. The reversal of 39139000 is 93193.

39139000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×39139000² = 3063722642000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18570 + ... + 20569.

Almost surely, 2^39139000 is an apocalyptic number.

It is an amenable number.

39139000 is an abundant number, since it is smaller than the sum of its proper divisors (52448600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39139000 is a wasteful number, since it uses less digits than its factorization.

39139000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39160 (or 39146 counting only the distinct ones).

The product of its (nonzero) digits is 729, while the sum is 25.

The square root of 39139000 is about 6256.1170065784. The cubic root of 39139000 is about 339.5235541161.

The spelling of 39139000 in words is "thirty-nine million, one hundred thirty-nine thousand".