39190140 has 72 divisors (see below), whose sum is σ = 129690288. Its totient is φ = 9500160.

The previous prime is 39190139. The next prime is 39190153. The reversal of 39190140 is 4109193.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 7917 + ... + 11876.

It is an arithmetic number, because the mean of its divisors is an integer number (1801254).

Almost surely, 2^39190140 is an apocalyptic number.

39190140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

39190140 is an abundant number, since it is smaller than the sum of its proper divisors (90500148).

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

39190140 is a wasteful number, since it uses less digits than its factorization.

39190140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19819 (or 19814 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 39190140 is about 6260.2028721121. The cubic root of 39190140 is about 339.6713664229.

The spelling of 39190140 in words is "thirty-nine million, one hundred ninety thousand, one hundred forty".